[AZJeep]

Electricity is cheaper than gas mostly because it does not pay the gas taxes.

[Ozark Tom]

Given a practical way to store hydrogen without much weight penalty incurred, fuel cells become an option to replace a heavy battery pack and feed the electric power-train. This example resembles the internals of an Eight-Track cassette tape, somewhat modded.

Plasma Kinetics makes light-activated hydrides:

https://plasmakinetics.com/