tw's call for efficiency rings hollow when you look at the efficiency of posts. Now Aussie busses are Bush's fault.
Did someone say there are no magic bullets? Then why would an experiment to run city busses on hydrogen, thereby reducing greenhouse gasses in the city, have to be justified as sufficiently efficient? There's no reason to believe that down the road it can't be made sufficiently efficient.
It's a pilot project to see what hiccups will develop in a practical application. A PR experiment that will help get people thinking there
are alternative solutions, not to convince them hydrogen is the answer for them.
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Most every home already has natural gas pipes to 'refuel' their car.
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"Most every" is actually less than 2/3 have gas service. The ones that do, have this ever scarcer fuel coming in at less than 3 psi. How far do you think your car would go, with the biggest tank you could carry, at 3 psi?
It would have to be compressed... high pressure and low temperature, by the same people that start fires just filling their cars with gasoline. No, best leave that to a filling station attendant that's been trained and tested handling high pressure connections.
Even so, the gas won't last forever so we have to keep plugging at different solutions, use gas for stationary uses, industrial and residential.
Gasoline is wonderful stuff, beyond compare...so far.