On 22 Dec 2007 05:16:36 GMT, "DoN. Nichols"
wrote:

On 2007-12-22, Jon Elson wrote:

[ ... ]

Electric steering is already coming in, saves a Hp on the
steering pump.

And where does that energy come from to power the steering? If
you say "the battery", then the next obvious question is "where does the
energy come from to charge the battery" -- and the answer there must be
"the engine" for the most part -- though I guess that you could put
alternators inside the wheels so braking would partially come from
energy being transferred to the battery.

Or are you saying that electrical power steering is (or can be
made) more energy efficient than the hydraulic power steering found on
most cars these days?

Definitely as it only draws power when boost is required.



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