fuel

“Quantum computers are the solution to tritium that will fuel nuclear fusion”

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The nuclear fusion It promises us clean and practically unlimited energy, but it has been stuck for decades by an obstacle that is difficult to overcome: fuel. The reactors tokamakthe most frequent in experimental projects, work fusing deuterium and tritiumtwo isotopes of hydrogen that when combined release a helium nucleus and a neutron that is ejected with an energy of about 14 MeV (megaelectronvolts). The problem is that the tritium It is an extraordinarily rare isotope on Earth. It is only formed naturally in the atmosphere due to the interaction of cosmic raysand in tiny quantities. In this scenario, for nuclear fusion to have a future as a real energy source, scientists need to find an efficient strategy that allows them to produce tritium in an artificial and sustainable way. This is the context in which the latest research carried out by the Cleveland Clinic, Oak Ridge National Laboratory, IBM’s TJ Watson Research Center and Michigan State University, all in the US, is drawing a lot of attention. And for the first time a team of scientists has used a quantum computer to identify the molecular configurations of the material that acts as a tritium “breeding blanket” within a nuclear fusion reactor. FLiBe: the molten salt that can save fusion The material identified by this quantum machine is called FLiBe, and it is a molten salt composed of lithium fluoride and beryllium fluoride. Inside a reactor tokamak The neutrons released by the fusion plasma impact this molten salt that covers the internal walls of the vacuum chamber, and it is this process that is responsible for producing tritium. Finding the optimal FLiBe configuration is the key to making fuel production viable on an industrial scale. This approach allows you to rule out less promising options in advance, saving time and money. A quick note before moving forward: the technique used by these researchers is known as quantum computing focused on supercomputing, and it is the same as Cleveland Clinic has previously used to simulate protein configurations of thousands of atoms. Applying it now to the chemistry of fusion materials is a novelty. The result of this strategy has been the identification of nine different molecular configurations of the FLiBe material, each with its own electronic structure, atomic behavior and molecular bond strength. Tom Beck, a computational chemist at Oak Ridge Laboratory, has explained that quantum computers are essential tools for accelerating the discovery and design cycles necessary to produce enough tritium to fuel fusion reactors. However, it is important that we temper our expectations. The nine configurations are, for now, simulations, and still have to be validated in the laboratory before making the leap to a real reactor. What this approach does allow is to rule out in advance the least promising optionssaving time and money on experiments that might otherwise go nowhere. IBM researcher Jerry Chow has added These results reinforce the idea that quantum computing is already a practical tool capable of solving problems that have eluded chemists and engineers for years. For now, nuclear fusion still does not have a closed solution to its fuel problem. However, for the first time a quantum computer has put concrete candidate materials on the table with which to begin solving this enormous challenge. Image | Fusion for Energy (F4E) More information | Science Alert In Xataka | The start-up of the largest nuclear fusion reactor on the planet is delayed by a decade. These are the reasons for the ITER gap

The Government extends fuel aid, but will progressively eliminate it

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The Council of Ministers approved this Mondayin an extraordinary session, a new royal decree that extends fuel aida series of measures that were activated after the start of the war between the United States and Iran. The most visible measure for drivers is that the reduction in the price of fuel remains, but it will be reduced month by month until it disappears completely in October. There was a meeting pending. The previous package of measures expired on June 30, which has forced the Government to convene an extraordinary Council of Ministers to approve the extension before the deadline expired. If not, the aid would have been withdrawn suddenly, significantly increasing the price of fuel, as we were advancing a few days ago. What does it consist of? now it’s discount. Unlike the previous plan, which applied a VAT reduction, the new mechanism acts on the special tax on hydrocarbons. The discount starts at 15 cents per liter during July, drops to 10 cents in August, stays at 5 cents in September and disappears in October. According to explained the first vice president and Minister of Economy, Carlos Body, “the relief in the cost of gasoline and diesel will continue and we will adapt it to the normalization of crude oil prices so that a jump is not noticeable.” You have touiandn stays the same. Transporters, farmers and fishermen do not notice any changes, maintaining the discount equivalent to 20 cents per liter, without progressive reduction. Furthermore, the decree expands by 165 million euros aid so that the agricultural sector can purchase fertilizers, the cost of which is expected to be higher in September. Insurance in case prices rise again. The decree includes an automatic reactivation clause. This means that, if fuel inflation exceeds 15% in year-on-year terms, the discount returns to 20 cents per liter without the need to approve new measures. The Corps does not rule out new actions starting in October if the situation demands it. What is not extended. The VAT reduction on electricity and gas, which had already returned from 10% to 21% since June 1, is not recovered in this decree. According to the National Institute of Statistics (INE), precisely this fiscal normalization explains why electricity and gas are now contributing to the rise in the CPI, which remained at 3.2% in June for the third consecutive month. The most relevant structural measure. Aside from this aid, the new decree also establishes the progressive elimination of the Tax on the Value of Electrical Energy Production. Currently at 7%, it will drop to 5% this year, to 3.5% in 2027 and will disappear in 2028. The third vice president and minister for the Ecological Transition, Sara Aagesen, was estimated at 6% the potential savings on household bills. According to Aagesenit is “the only structural tax reduction of the anti-crisis shield.” How much does all this cost? The whole package mobilizes 4,525 million euros: 1,825 million in direct fiscal cost for 2026, plus another 2,700 million associated with the gradual elimination of the tax on electricity production in the next two years. Why these measures. The Government justifies the decision in which there is still geopolitical uncertainty. The truce in the Middle East remains fragile, traffic through the Strait of Hormuz has not completely normalized and the Government fears a rise in inflation coinciding with the start of the summer holidays. According to the calculations of the Ministry of Economy, the measures in force since March 20 would have contained general inflation to around one percentage point. In Xataka | Spain has standardized a small trick to avoid rear-end accidents. The DGT is not very satisfied

The Government is already debating whether or not to extend fuel aid. If you don’t do it we will pay 15 euros more to fill the tank

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Next Monday, June 29, the Council of Ministers will debate whether to extend the fuel tax reduction beyond June 30, which was the established deadline. If you don’t do it, filling the tank in the middle of a vacation trip is going to hurt us a lot more than it does now. Fuel aid. In March, the Government approved a package of urgent measures to stop the rise in energy prices caused by the war between the United States and Iran. The most visible for the driver was the reduction in VAT on fuel from 21% to 10%, accompanied by a reduction in the special tax on hydrocarbons. These measures expire on June 30 and the Government has to decide now what to do with them. What is being studied. According to share From ABC, the Ministry of Economy is considering maintaining VAT at 10% for at least three more months, that is, until September. A gradual withdrawal of aid is also being studied to avoid the so-called rocket effectthat is, a sudden increase in prices from one day to the next in the middle of the high travel season. What happens if it is not extended. According to the calculations of the Spanish Confederation of Service Station Employers (CEEES), the elimination of all aid would mean an increase in the price of 29 cents per liter for gasoline and 22 cents for diesel. With current prices (around 1.46 euros per liter for gasoline and 1.53 for diesel) both fuels would rise to 1.74 euros per liter. In this way, filling a 55-liter tank would go from costing around 70 euros to close to 90. And the blow would come right in the middle of the summer operation. The diesel thing is delicate. The Iran crisis has caused a liter of diesel to cost more than gasoline, something quite unusual taking into account the lower taxation of diesel in comparison. Although the price has fallen for four consecutive weeks, it still remains 5% above what it cost before the start of the conflict, according to collect ABC. If the reduction in the special tax on hydrocarbons is withdrawn, diesel has a good chance of once again overcoming the psychological barrier of 2 euros. Why it is not so easy to extend it. The Government cannot extend these measures on its own because it needs the support of Congress. That means negotiating with the investiture parties, including Junts and the PNV, something that already generated tension in March when the first decree was approved. On the other hand, there is also external pressure, since the Bank of Spain pointed out Just a few days ago, Spain has been the country in the European Union that has mobilized the most public resources in response to this crisis (0.25% of GDP), criticizing that 75% of the measures are not focused on the most affected, but are of a general nature, as is precisely the case with the VAT reduction. The European Commission and the Treasury technicians (GESTHA) also have recommended withdrawing these subsidies considering them contrary to the energy transition. What does the transportation sector ask for? The Spanish Confederation of Freight Transport (CETM) already has asked that any extension explicitly includes the transport of goods by road. In a statement, the organization warns that “leaving transportation outside of these measures would mean ignoring the sector on which a good part of the country’s economic activity is based.” In addition, the CETM demands that the commitment to pay 20 cents per liter of fuel promised to the sector be made effective. What does the president say? Pedro Sanchez has advanced that the new decree will be “to protect the productive fabric and also the citizens”, although without specifying the exact scope of the measures. The Government warns that, even with a peace agreement between the United States and Iran, the economic effects of the conflict will continue to pressure prices for weeks or months. Cover image | Roberto Rodríguez and engin akyurt In Xataka | In February, historic rains broke the roads. Málaga has just received the go-ahead to repair the A-7 and A-45

“We have accumulated fuel and increased the probability of extreme fires”

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He climate change and rural abandonment have turned our mountains into powder kegs and, when a large forest fire breaks out, the problem is not only the ecological devastation, but the immense column of toxic smoke that suffocates populations located hundreds of kilometers away, as we have suffered in Spain in recent years. Faced with this scenario, researchers defend a tool that may seem quite strange to other eyes: burning the forest on purpose to create firebreaks. It is validated. A new study published in Science has put on the table the evidence that supports this practice known as prescribed burning. One of the data they collect is that carrying out low severity fires generates an immediate 92% reduction in the probability of very high severity fires occurring in that same place. Far from being a temporary patch, researchers have proven that this “vaccine effect” lasts up to 10 years and extends its protection radius up to 5 kilometers beyond the treated area. The air. One of the perhaps most important findings of the research lies in the air we breathe, since fine particles emitted by large forest fires are a serious risk to our lungs. But with this method, researchers calculate that, in the case of California, burning 500,000 acres a year can reduce the accumulated pollution of these microparticles in the air by approximately 10%. How it works. Víctor Resco de Dios, professor of Forestry Engineering and Global Change at the University of Lleida, sums it up clearly: “The fumes from prescribed burning are much smaller than those from fires.” And the key is in the continuity of the fuel, since when a forest fire that advances without control collides with an area that has been previously treated with controlled fires, its intensity plummets. The fire moves from the treetops to the ground, offering firefighting teams a vital window of opportunity to extinguish it, radically reducing the total smoke emission. In Spain. Scientific rigor requires reading the fine print, and in this case, the geographical context is decisive. The overwhelming data that we have collected comes from the analysis of the coniferous forests of California and as the expert Víctor Fernández García points out for SMC“California is not Spain.” While in the western United States or in the oak forests of Mexico, prescribed burning can be considered at a landscape scale, in Spain its use is currently “very specific” and localized. This is because in our country short and medium term burning requires surgical precision because there are native species such as the Pinus nigra or the Pinus pinaster which are very resistant to fire. But it is useful. This same expert, speaking to SMC, points out that in Spain, after several decades of rural abandonment, “we have accumulated fuel and increased the probability of extreme fires.” That is why, although we are not like California, it does offer a useful warning about these types of practices such as low-risk fire grazing or controlled burns. Images | Michael Held In Xataka | Putting out fires in summer is no longer useful: Spain has an opportunity to prevent them by betting on biomass

We have been going to the Moon the wrong way for decades if what we want is to save fuel

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When you travel to the same place many times, little by little you learn which are the best routes. You don’t just need to know the shortest path. It is also good to locate the one with the most gas stations, the best road or the most beautiful landscapes. It all depends on your tastes and needs. If the trip is made in space, it is important to find the shortest path; but, above all, the main need is to locate the one that represents a greater fuel savings. We hope that in the future humans will be able to travel regularly to the Moon, but it would be very expensive and unviable to wait until then to find the best path through trial and error. Therefore, an international team of scientists has developed the formula that calculates the ideal path. Spoiler: it is not any of the ones that have been seen so far. Biggest savings so far. The study, carried out by an international team of scientists and directed from the University of Coimbra, points to a saving in delta-v of 58.80 m/s. This measure refers to the amount of effort necessary to carry out an orbital maneuver. In other words, the total change in speed needed to carry out said maneuver. The lower the delta-v, the better, since a high gear change means more fuel consumption. In the case of the complete trip from Earth to the Moon, the delta-v is 3,342.96 m/s. It may seem that reducing that figure by less than 60 meters per second is not much, but we must keep in mind that A single meter per second already represents a great waste of fuel. Therefore, the results obtained in this study are very positive. Theory of functional connections. When you are going to calculate the trajectory between the Earth and the Moon you need to leave the Earth’s orbit, with a certain speed and position and reach that of the Moon, also with specific characteristics. All those specific parameters are restrictions. When we are in a place as wide as space, there can be many different paths. An infinite number of them. Therefore, to locate them, simulations must be carried out. The problem is that, no matter how powerful the simulators are, if the restrictions are not reduced a little, the possibilities remain endless. This is where the theory of functional connections comes into play. This, basically, consists in changing the approach of the formulas so that the conditions are already included. Said with a more earthly analogy, if we want to find the best route from Madrid to Barcelona, ​​we can analyze absolutely all the roads in Spain or look only for the best option among the roads that start in Madrid and end in Barcelona. With this theory of functional connections you achieve just that. The restrictions are not eliminated, but are included directly in the mathematical approach. With Artemis II there was a moment when connections were lost Much fewer simulations. By changing that approach, more simulations can be done. No time is wasted simulating paths that do not leave Madrid and end in Barcelona. For this reason, the authors of this study have managed to go from 280,000 simulations to more than 30 million. This makes it easier to find an optimal route. A stop along the way. The optimal route includes a stop along the way, right at the Lagrange point L1, a place between the Earth and the Moon in which the gravitational attraction of both objects is compensated, so that the effect is similar to the absence of gravity. The ships could remain there as long as necessary without losing communication with Earth. In the case of Artemis II, for example, there was a point where connections were lost. That wouldn’t happen here. Finally, once everything is ready and the orbits are aligned correctly, the second part of the trip could be carried out, heading to lunar orbit. Better near the Moon. Previous simulations that looked similar to this one included entering this trajectory on a near-Earth branch. However, with this research it has been seen that fuel savings are better if done on the opposite side, closer to the Moon. The cheapest way so far, but not the cheapest possible. The authors of the study acknowledge that this is the cheapest path that has been calculated so far between the Earth and the Moon, but not the cheapest possible. And, in their calculations, they have taken into account the gravitational attraction of the Moon and the Earth, but not that of the Sun. If this were added, savings could also be improved, but the launch window would be restricted. That is, there would be fewer possible days to carry out the launches. That would make logistics difficult, so for now, the cheapest option so far has been chosen, but not the cheapest possible. That alone is a great advance. Image |Rfassbind In Xataka | We have not yet colonized the Moon and we have already filled it with garbage: there are even abandoned golf balls

that “drink” fuel without stepping on land

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In the 80s, during exercises in the Atlantic, several pilots British Harrier They confessed that one of the greatest tensions was not the combat itself, but rather the time to return to the aircraft carrier with fuel in the red, adjusting each maneuver so as not to run out of margin in the last minutes. On more than one occasion, that millimeter calculation turned the landing into a matter of well-timed seconds. The limit that was always there. The anecdote is not trivial, since for decades the Harrier fighters of the Navy have operated with a clear restriction that conditioned each mission: their fuel dependency available when taking off from the ship. This limitation marked the time in the air, the radius of action and the ability to sustain operations far from the starting point, forcing each flight to be planned carefully. very tight margins. Let’s think that we are talking about an environment where projection and persistence are increasingly determining factors, which is why this barrier had become one of the most difficult factors to overcome. Without depending on land. That scenario has now changed with a milestone that, although seemingly technical, has quite profound operational implications: for the first time, a Spanish Harrier has been refueled in flight for a A330 MRTT of the Air and Space Army. The maneuver not only demonstrates compatibility between platforms, it also opens the door for these fighters to stay in the air much longer without needing to return to deck. In practice, it means that the Harrier can continue operating, surveilling or attacking without the fuel clock marking the end of the mission. A range and time multiplier in combat. The announced in-flight refueling completely transforms the aircraft’s operational profile, and it does so because expands its radius of action and allows you to stay in the area for much longer periods. This is especially relevant for a carrier-based fighter, an aircraft whose natural environment imposes obvious logistical constraints. In other words, with this capability, the Harrier can get further away from the shipcover more space and respond more flexibly to changing situations, something key in both defense missions and projection operations. Interoperability: two armies in one. Beyond refueling itself, the Spanish exercise represents a leap in integration between the Navy and the Air Forceby coordinating different systems (the Harrier boom and the A330 basket) in a joint operation. Plus: this type of capabilities reinforces the idea of ​​a more connected force, capable of operating in coordinated and efficient manner in complex scenarios. Furthermore, the A330 MRTT establishes itself as a central piece, capable of supplying multiple platforms and acting as a true force multiplier. Extend the life of a “veteran”. It is the last of the legs to analyze, because the context is key to understanding the importance of the advance: the Harrier continues to be a fundamental asset for the Spanish Navy, especially while its replacement by the F-35B. In the face of uncertainty, the strategy involves extend its useful life through maintenance, spare parts and improvements that maintain its operational relevance. The in-flight refueling capability fits perfectly into that goal, increasing its utility without the need to introduce a new system. Beyond a simple test. In short, what at first glance may seem like a technical test is, in reality, a paradigm shift on how Spain can use its embarked fighters. Allowing these planes to “drink” fuel in the air eliminates one of their main restrictions and brings them closer to a much more efficient operating model. more flexible and sustained in time. In a scenario where the speed of response and the ability to remain in the area make the difference, the advance redefines the role of the Harrier and expands the real scope of Spanish aerial projection. Image | Navy, Counting Stars In Xataka | Spain has a dilemma that is difficult to solve: call the US or be the last with a fighter jet in danger of extinction In Xataka | Spain has built a laser that shields the backbone of its Navy: the A400M is now ready for combat

The fuel crisis is putting airlines in check. And Ryanair already knows where to start cutting: Spain

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Your flight has been cancelled. Since the United States and Israel attacked Iran for the first time two months ago, fear of a new oil crisis has skyrocketed. The blockade of the Strait of Hormuz has put fuel supplies in check since then and the aviation sector has been one of the most affected. Among the consequences, we have seen a serious increase in the cost of flights but also cancellations. Ryanair is clear about where it will cut flights from if necessary. What has happened? The CEO of Ryanair has launched a new threat: “if the situation continues, the first place we have in mind are the Spanish regional airports.” The words are from Eddie Wilson and have been collected by the newspaper ABC. That “if the situation continues” refers, of course, to the oil blockades in the Strait of Hormuz. And the company has once again raised its threats against the Government of Spain. Coinciding with the day in which Aena has distributed dividends among its partners, Ryanair has taken the opportunity to confirm that it will cut 1.2 million places this summer available at Spanish airports. And asked about how they face a possible fuel shortage, Wilson has once again taken the opportunity to question the viability of their activities at Spanish regional airports. What has been confirmed? Ryanair has been warning for months that it was going to cut operations this summer at Spanish airports if the Government did not reverse the increase in Aena airport taxes in the 2027-2031 cycle. Last Monday, the airline was ratified although it did not make it clear which airports will be the most punished. They do point out that with the extension of these cuts, in 18 months they have stopped offering three million places in our country (once the summer cut is consolidated). On the contrary, Morocco and Italy will grow by 11% and 9%, respectively. Of course, it is true that Regional airports are suffering with the departure of Ryanair but the size of the cut is misleading because, at the same time, its commitment to larger airports has been maintained or even expanded. And the new threat? The new threat is the possibility of scrapping more flights if Ryanair runs out of fuel. It seems logical that when prioritizing fuel, the company opts for larger airports where the flight occupancy rate will be higher or there is a greater chance of this being the case. In the month of April we have seen many cancellations from both American companies and United either Delta even the Asian ones like Air New Zealandpassing through the entire European framework as SAS or the Lufthansa Group, Wizz Air and easyJet (among others). And the CEO of easyJet already publicly warned that the situation in Europe could become seriously complicated starting in mid-May. How much real threat and imposted threat is there in Wilson’s words? It is difficult to know because it is impossible to know how much fuel Ryanair has or to what extent the company is willing to pay for kerosene before losing money. (or not earning what they consider enough). Because? The air sector is one of the most affected by the closure of the Strait of Hormuz. The increase in fuel prices losses are skyrocketing and Lufthansa will cancel more than 20,000 flights according to Financial Times to patch the rise in prices. The result, as we see, is fewer flights, more expensive flights or airlines that take advantage of the reduction in supply to tighten the nuts more for the passengers. They are the consequences of moving with a type of fuel that very little stock is handled in warehouses. The kerosene used by airplanes is delicate to store because it can quickly lose its properties. And International Air Transport Association (IATA), already warned that rebuild damaged refining capacity in the Middle East will take months. The forecasts for summer are not good. And it is clear that, if cuts have to be made, they will be cut where the least benefit is obtained. Photo | Ryanair and Gabriele Merlino In Xataka | Airlines have found in the fuel crisis the best argument to cut your benefits as a passenger

Metajets, the luminous ‘Wingardium Leviosa’ that promises to take ships into space without the need for fuel

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A team of scientists from Texas A&M University has managed to lift and direct tiny objects without touching them. And no, he didn’t do it with a spell. Wingardium leviosabut with laser technology that could power the spaceships of the future. Metajets to fly without fuel. The new propulsion tool designed by these scientists uses something known as metajetswhich is based on the combination of laser beams and metasurfaces. The latter are surfaces that contain small nanoscale irregularities that direct light in many possible directions. When light hits the smooth surface of a mirror, it just bounces back. On metasurfaces, when encountering all those little mountains invisible to the human eye, it can deviate in multiple ways. On the other hand, when light hits a surface, the photons push it slightly. The authors of this study they compare it with tennis balls bouncing on a wall. When using a lot of balls, that push can be tangible. Therefore, by shining a laser on a surface, a movement can be produced that is also directed in the desired direction thanks to those tiny pillars. The more light the better. Something interesting about metajets is that to obtain greater thrust you do not necessarily need a larger device. It would be enough to increase the power of the light. Therefore, although at the moment the experiments have been carried out with devices the size of a human hair, these researchers consider that in the future they could be scaled enough to send ships into space without the need for fuel. Climb and turn. With these experiments it has been possible to both raise the device and make it rotate in the desired direction. It is a good start for that dreamed space future. Much shorter trips. With current technologies, If we wanted to travel to the Alpha Centauri star systemthe closest to our solar system, it would take hundreds of thousands of years. Instead, these scientists calculate that, using metajets, the figure would be reduced to only a couple of decades. In astronomical terms, that’s pretty little. Beyond space. In reality, the ability to move objects without contact or fuel could have many applications here on Earth as well. For example, metajets would be useful in precision manufacturing, microrobotics and advanced detection systems. There is still much to do. Logically, having demonstrated the effectiveness of metajets in a tiny device is only a first step. There is a lot of science and a lot of time left before we can scale enough to reach space. However, as Machado said, the path is made by walking, and this has already begun to be drawn. The next step will be to test the metajets in a laboratory under microgravity conditions. Thus, we would see how they will work in space. If this goes well, little by little we would try to scale it to a larger size. Other technologies that are also being investigated may possibly arrive sooner, such as the use of engines based on nuclear energy. However, metajets are also a very interesting option for future space travel. I’m sure we’ll hear about them again in the future. Image | Harry Potter, skateboarder (Wikimedia Commons) In Xataka | How many times have we gone to the Moon and why have only 11 military aviators and one geologist set foot on it in all of history?

Airlines have found in the fuel crisis the best argument to cut your benefits as a passenger

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If you are thinking of traveling by plane in the coming months, you should be alert, since your flight is susceptible to cancellations. It’s not that we want to ruin your plans, far from it, but the truth is that the kerosene shortage generated by the conflict in the middle east has given European airlines a political lever that they are not hesitating to use. Crisis. He blockade of the Strait of Hormuzthrough which a substantial part of the world’s oil and kerosene supply transits, has sent aviation fuel prices soaring. On April 16, the International Energy Agency warned that Europe could have reserves for just six weeks. Just like share Financial Times, airlines such as EasyJet, which has announced larger than expected losses; Lufthansa, which has already canceled more than 20,000 flights; or Virgin Atlantic, which has acknowledged to the media that it will be difficult for them to close the year positively, are examples of what monster we are facing. What they are asking for the airlines. The sector has activated an offensive against Brussels and London. And according to they point From the FT, sector associations are pushing to delay or eliminate a long list of measures that they have been fighting for years: from the rule that would allow passengers to carry a second piece of hand luggage for free to changes in the compensation policy for canceled flights and modifications in airport slots (the time slots that airlines adhere to when operating flights). ANDl hand luggage. The European Parliament is studying whether passengers should have the right to take on board, at no additional cost, a second larger piece of luggage in addition to the usual handbag. For airlines like Iberia or British Airways this does not represent any change, because they already allow it. But for low-cost companies, which have built their business model precisely on charging for that additional luggage, it is something that directly affects their profitability. Disadvantage. Just like share FT, the airlines’ position is that these regulations already put them at a disadvantage compared to competitors from other regions of the world, and that a crisis like the current one aggravates that imbalance. “I have not started a war in Iran. Why do I have to accept its consequences?” counted Wizz Air CEO József Váradi, in the middle. Their argument is that governments should exempt airlines from paying compensation when a fuel supply problem prevents them from operating. What they have already achieved. Some requests have already begun to find answers. The UK Government has announced which will allow airlines to request an exemption from the ‘use it or lose it’ rule (which forces them to use airport slots or lose them) if fuel shortages prevent them from flying. In Brussels, the Commissioner for Transport and Tourism, Apostolos Tzitzikostas, has promised “temporary changes in legislation” if the situation worsens, and included in that list slot rules, anti-tank rules (which prevent airlines from filling tanks with cheaper fuel before entering the region) and passenger rights. However, Tzitzikostas also noted that he has no intention of telling people to travel less: “There is no need to intervene in how people live, work or travel.” The “temporary” trap. The key word in all European concessions is ‘temporary’. Regulators are aware that these measures, once in place, are difficult to reverse, and the sector knows it. The precedent of slots during the pandemic (when the rule was suspended and it took years for airlines to return to normal in terms of regulation) still resonates in the offices of Brussels. Cover image | Suhyeon Choi In Xataka | Commercial aviation is based on very old aircraft. The Iran war is going to make it even worse

The Spanish atmosphere has been loaded with fuel and now it’s time to pay the bill

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Spain has been chaining one temperature record after another for a week and the culprit, as we have been explaining, is a subtropical ridge that the country has maintained between five and ten degrees above normal. Nothing particularly surprising, nothing that hasn’t happened two dozen times in the last few years. For complete the déjà vuIn fact, the same number has dragged a disproportionate amount of Saharan dust for days. And now, it’s time to suffer the consequences. Never corner a DANA. As I said, we can describe the third week of April with three words: heat, stability and suspended dust. But starting on the 23rd the situation changes and a trough is becoming detached from the general circulation and It is going to be configured in the form of DANA. The party starts here. The synoptic configuration is clear: a DANA in the southwest with the ridge still strong in the east and very warm air between the two structures. We have the basic ingredients of convection. What can we expect? AEMET forecast stormy showers locally stronghail and very strong gusts of wind in almost the entire interior of the Peninsula. Today, the highest risk areas are the west and center of the peninsula (Extremadura, Castilla-La Mancha, Castilla y León, western Andalusia), the Pyrenees and the Iberian System. If everything continues as it is, April will end up as the third warmest month on record and all that atmospheric energy will be channeled over the land. To put it in perspective: all this is going to cause average temperatures to drop more than 14 degrees in a matter of days. What does the heat have to do with the storm? Physicists use the Clausius-Clapeyron equation to explain that the atmosphere’s capacity to retain water vapor grows by approximately 7% for each degree of warming. The hotter, the more water vapor; more water vapor, (if the conditions are right) wilder storms. It is true that we are experiencing an unusual April… but the average temperature in Spain has risen 1.69 °C between 1961 and 2024 and heat waves last three days per decade. That is, the “outside the norm” in this case It means things are changing. and what we are going to experience (the passage from the 36 to the flood) is the new normal. Image | BenBaso | Xataka In Xataka | In two days, AEMET is clear that spring is suspended: an “early summer” arrives in Spain

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