Quote:
Originally Posted by offroad1994
The more I read the more I think this is a blind alley and a fools errand to do this. Where I live I have temperatures half the year at less than 60 degrees F. So the batteries will be weaker in LEAD ACID configuration.
Also reading that the weight of the kits for a Pruis knock off about 10% of the MPG when in ICE mode. I think I might be better invested to get a cheap Geo Metro and optimize MPG.
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Its very hard to do it for economy's sake; its almost always cheaper to buy an older small car and aero-mod it like they do on this site and use some of the hyper-mile techniques to get MPG up into the 40's. Even at double today's gas prices, it would take a lot of driving to make up for an extra $10,000.
And cold weather affects the Prius as well. If you want a heater, the heat has to come from somewhere, and your mileage suffers.