The exhaust air of a hydrogen car consists of pure water vapour. The fuel cell drive is therefore locally emission-free. This means it keeps the air in cities clean. But does it protect the ...

Hydrogen engines using water as fuel could be the end of EVs. Learn about the performance, environmental benefits, and ...

Water is the only byproduct ... let alone scaled to replace all cars on the road. Also, like EVs in the early days of their resurgence, hydrogen fuel cell vehicles currently cost more than their ...

Engineers hope a prototype car powered by hydrogen - obtained from sewage - could help motorsport become more sustainable.

Pros: Renewable, fairly widely available, and older diesel cars can seamlessly burn biodiesel ... Pros: No vehicle emissions other than water vapor. Fuel economy equivalent to about twice that ...