[conservatism_IS_compassion]

The combination of a hydrogen generator and a fuel cell would amount to a battery. The issues then become:

1. How much does a kilowatt of electric power generating capacity cost?

2. How much does a kw-hour of electricity from this battery cost?

3. How much does a kilowatt-hour of electric power generating capacity weigh, and how much space does it require?

[dangerdoc]

If you have aluminum, you have 1/2 of an aluminum air battery. You do not need a fuel cell. Look up mechanically recharged aluminum batteries. They have been around for 40 years.

If someone ever figures out how to keep an electrically rechargable aluminum battery from gelling up, we would not even need gasoline. It would provide about 10 times the capacity of the best lithium battery.