One slight problem is that hydrogen goes bang rather readily.
If you have large amounts of H2 around and you crash...
(
s0WmVHAwZgpG,
Mon 27 Oct 2003, 12:14,
archived)
not really, it's less explosive than petrol.
the hindenburg disaster was all due to static electricity on the airship's hull.
(
bananaman,
Mon 27 Oct 2003, 12:16,
archived)
But for a hydrogen-oxygen cell to power a car
you'd need a fair bit of hydrogen gas - much more than you'd need of petrol, at least.
(
s0WmVHAwZgpG,
Mon 27 Oct 2003, 12:23,
archived)