Industrialized Cyclist Notepad

Automobiles on Steroids
January 12, 2012, 08:38
Filed under: Uncategorized | Tags: , , , ,

From a paper by Christopher Knittel in American Economic Review (pdf).

click to enlarge

Since 1980, horsepower has more than doubled, and average weight has gone way up, so mpg gains have been largely canceled.


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