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Old 01-31-2008, 08:54 PM   #9 (permalink)
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Is this effectively varing the displacement of the engine? Is the problem that engines are too big for the job most of the time to run efficiently? Why not have two small engines. Or a clutch in the middle of a larger one for trucks. One runs and keeps both warm until needed. For cars a little tiny 3cylinder (5 to 8HP whatever steady state road load is.) diesel running full tilt charging a battery and or running a motor. only need enough battery for a couple mile hill.
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