Rooboy75 t1_ixpdatn wrote

Of course it is not a high percentage yet, but there are companies like FMG / Future Fuels industries have developed conversions for dump trucks and rail.

Ferries in Norway running fuel cells. Bus companies in the US running fuel cells for some time already.

Battery is great, but not always practical on a larger scale. Elon fanboys all rave that battery is the only solution, which is why technology development stalls due to opinion based investment influences.