[_Jim]

Hi Efficiency Engine Design

Maybe you should take a look at the total system -

- and look to recover some of the kinetic energy the vehicle has when coming to a stop (where, normally, all THAT energy is simply turned to heat in the brakes).

Oh, sorry - Toyota and Honda beat you to it!

(To wit, the Prius and the Insight.)

[John Jamieson]

Cars that must be driven 500,000 miles to recover their added cost.

The $5,000 battery replacements ever 100,000 miles are going to eat up additional savings (and cause law suites).

Braking energy is very low in a properly driven car. Do your brakes run real hot?

[mamelukesabre]

Maybe you should take a look at the total system - - and look to recover some of the kinetic energy the vehicle has when coming to a stop (where, normally, all THAT energy is simply turned to heat in the brakes). Oh, sorry - Toyota and Honda beat you to it! (To wit, the Prius and the Insight.)

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Ford had a better idea. Check out Ford's HYDRAULIC energy recovery system.