Chart of the Day: More Vehicle Trends

Here are four more charts about the US car fleet over time. The first shows average vehicle weight, average horsepower, average fuel economy,  and CO2 emissions.

emissions-fuel-economy

weight-and-horsepower

Particularly the weight trajectory reminds me of Jevon’s paradox, where increases in efficiency can lead to more energy use. Also, trucks are much less efficient than cars.

 

1 thought on “Chart of the Day: More Vehicle Trends

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