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Steam.

External Combustion Steam Engines are far, far more efficient than
internal combustion engines.

http://en.wikipedia.org/wiki/Steam_car

--Matt K.

On 7/3/07, Evan Osler <[log in to unmask]> wrote:
> On 7/3/07, Leigh Daboll <[log in to unmask]> wrote:
> > 2.  Electric:  Biggest red herring ever created.  No one in the oil
> business
> > or the auto business killed the electric car.  Smart folks (those who
> > realized that all electric cars accomplished was moving the source of
> > pollution to the generating source instead of up and down the street),
> > killed it.  All and all, a horrific experience from a usability
> standpoint.
> > Best quote ever "Electric cars are great, and I think my neighbours should
> > all drive them"
>
> Wrong.
>
> The internal combustion engine is horribly inefficient relative to an
> electric motor and battery. Shifting the location of energy production to a
> centralized grid gives the typical electric car an equivalent efficiency of
> easily 100 mpg (likely much more than that).
>
> As the electric grid gets cleaner over time (hopefully), one could expect
> this level to go up. In a state like Vermont, with a very clean grid
> already, an electric car is an extremely low-impact ride.
>
> I do agree that the useability of the electric car needs to go up, which it
> is with advances in battery technology. In the meantime the hybrid system is
> a smart middle-ground. Plug-in hybrids are next (get your first ~100 miles
> per tank on battery alone if you choose to plug in). In the long term, the
> individual auto model will have to become outmoded anyway.
>
> Ethanol is virtually worthless to America in its current form, and don't
> believe any politician who tells you otherwise.
>
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