Today's Gas/Electric hybrid strikes me as a complicated way to save fuel. I mean, must we lug around batteries, multiple motors, and electrical controllers that need their own cooling systems for a realistic fuel savings of 30 to 40 percent? And what happens to a Prius when it depreciates to the $3000 price of its worn-out battery pack? Probably you scrap it or pay a shade-tree mechanic to weld in a used Corolla powertrain.What if you could shrink a conventional engine down to a gas-sipper size while preserving family-car performance?
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