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Old 07-11-2009, 10:04 PM   #5 (permalink)
Left Lane Ecodriver
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Join Date: Aug 2008
Location: Buffalo, NY, USA
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Prius C - '12 Toyota Prius C
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The reason nobody's done it at home is twofold. One, the stock engine is pretty darned efficient, and there's little room for improvemnt in CO2/mi or even gal/mi with a diesel. Two, there aren't a lot of cheap Prii with dead engines, because the stock engine tends to outlast the car.
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