on 27/10/02 8:48 pm, [EMAIL PROTECTED] at [EMAIL PROTECTED] wrote:

> 
> I may be overly optimistic because it is my personal belief that now is the
> time to start a shift away from non-renewable fuels, starting with oil. Any
> vehicle that will run on anything but gasoline will play a part in starting
> that shift. If this vehicle worked, it might help fill the gap until practical
> fuel cells are available.

Fuel cells are more efficient than internal combustion engines - but they
still have to 'burn' something. At the moment they aren't very good at using
the complex hydrocarbons of gasoline or diesel fuels. They will probably
make a great replacement for batteries in laptop computers etc by burning
ethanol (?) - but where does that come from? It *takes* energy to make
refined fuels.

External combustion engines (steam engines/turbines) are already more
efficient than internal combustion engines, and what happened to the Stanley
Steamer?

-- 
William T Goodall
[EMAIL PROTECTED]
http://www.wtgab.demon.co.uk/


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