Proponents of eFuels like startup Zero say that the technology could enable cars to keep using internal combustion engines without adding additional pollution to the environment. That’s partly why the EU has made an exemption for eFuels in its 2035 combustion engine ban. But synthetically made fuels aren’t without their challenges.

So how are they made, and what are their uses?

0:00 Could eFuels save the gas engine?
0:34 How synthetic fuels are made
2:30 Why aren’t we using eFuels yet?
3:43 Will we be using eFuels in the future?

I'm George Downs, a WSJ video journalist fascinated by how technology is changing how we get from A to B. If you're interested in the future of mobility or how modern transportation—from EVs to eVTOLs, and beyond— can impact our lives, then don't forget to subscribe.

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