"Not for cars, but for everything else."
While I agree with you there are some usages where it does make sense and shouldn't be neglected, it is also worth noticing that the current consensus on Metaculus is an estimate of 6% market shares for those usages in 2030:
https://www.metaculus.com/questions/552/fcevs-vs-bevs-what-p...
[Edit] consensus established in February 2020