27 Mar '12, 12pm

Switching From an SUV to a Prius Saves 430 Gallons of Gas a Year

Toyota Europe's Flickr page /via A popular criticism of hybrid and fuel efficient cars goes like this: If your car is more fuel efficient, and you know you're saving money on gas, you'll be more inclined to drive more—thus negating any energy and carbon savings you had. Called the 'Prius fallacy', it's a variation of the 'rebound effect', which posits that any energy savings we gain from more efficient technologies will be promptly negated by our using more energy (either elsewhere, or by doing more of the energy-consuming activity). And while the rebound effect is a real phenomenon, and does eat away energy savings in some cases, the Prius fallacy has always struck me as fundamentally fishy. The CO2 Scorecard defines its two basic tenets: "1) that Prius drivers drive more because they are paying less in gas, and/or (2) that Prius drivers use money saved on fuel to purchas...

Full article: http://www.treehugger.com/cars/switching-suv-prius-saves-...

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