ScienceSwitzerlandAre e-fuels the key to climate-neutral flying?05:46This browser does not support the video element.ScienceSwitzerland02/10/2023February 10, 2023Fossil fuels damage the climate with their CO2 emissions. A lot of countries have decided to ban new combustion-engine cars as of 2025. Sustainable "e-fuels" could help to reduce CO2.Copy linkAdvertisement