Delta Air Lines has set the goal: by 2050, fuel consumption will have to be higher. be 95% SAF, an acronym for Sustainable Aviation Fuel. sustainable aviation fuel. The historic American carrier plans to thus reduce the environmental impact of its activities, by freeing itself from fossil-derived fuels, despite not even the SAF being perfect.
DEFORESTATION COULD BE PROMOTED
Sustainable Aviation Fuel, on the one hand, would allow the use of current jet engines without too many modifications, on the other hand, however, it would be more efficient. could reduce polluting emissions less than what is needed for the environment, in the worst case it would cause worse troubles.It is a biofuel produced from vegetable, animal or food waste indicated by some insiders as the best solution under various aspects to soften the green transition. The problems however I am more or less these:
- SAF production should accelerate a lot, still at levels that are too low (Delta explained that in the world there is no such thing as these:
- SAF sufficient to support flights performed in a single day…)
- the risk is; that in order to produce enough, deforestation would end up favoring deforestation: according to Nature, the raw materials for the SAF would occupy an area corresponding to 19% of crops worldwide
- one would contribute to solving a problem, that of polluting emissions, to create another perhaps greater one, that of deforestation
- the risk is; that in order to produce enough, deforestation would end up favoring deforestation: according to Nature, the raw materials for the SAF would occupy an area corresponding to 19% of crops worldwide
- the combustion of aircraft engines at SAF it would still emit carbon dioxide, the gas responsible for the greenhouse effect and therefore for climate change
- the savings in terms of emissions would be in the production process, however, as mentioned above, the "SAF system" implies the risk of increased deforestation around the world.
Airlines like Delta Air Lines like SAF, and in fact can't blame them ; simple. The way of electric planes is not an easy one. at the moment a viable option due to the amount of resources available. of batteries needed, especially on long routes, and their weight, that of hydrogen aircraft would require a renewal or at least a restructuring of all aircraft fleets and leaves some doubts. the companies are cold, despite Delta itself is working on it so much as to affirm that in 2050 the revolutionary aircraft should be 25% of the fleet. But in the medium-term plans, the protagonist is the SAF.
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- SAF sufficient to support flights performed in a single day…)