03 Feb '12, 4pm

Energy - Feb 3 | Energy Bulletin

How Much Energy Does Energy Efficiency Save? Matthew Yglesias, Slate It's obvious that under some circumstances increased energy efficiency won't actually cut energy consumption. The underlying technology of the internal combustion engine, for example, has improved dramatically over the past 40 years making our cars much more energy efficient than they used to be. But one main result of that has been for the cars to get much larger with more powerful engines rather than simply consuming less fuel. Apparently some people in the green community have extremely strong feelings about how big a deal this kind of "rebound" effect is, but realistically, to get good estimates would require careful empirical study. This little FAQ from Jesse Jenkins, who's a believer in a pretty strong rebound effect, does a good job of at least sketching out what the issues are.

Full article: http://www.energybulletin.net/stories/2012-02-03/energy-f...

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