Industry fears that so-called e-fuels could be a similar flop to biofuels are high. There are too many parallels. Which is why some players are very unsettled. There are also numerous critics warning against extending the life of internal combustion engines. On the other hand, synthetic fuels offer a great opportunity, especially for the until now market-dominating corporations to maintain their influence. In addition, many billions of euros in revenue beckon. Hence this attempt to shed some light on the e-fuel debate.