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.

 

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  1. Sunday Summary – November 16, 2014 | streets.mn - November 16, 2014

    […] the added information of historic flood photos, too.  And, of course, Charts of the Day this week: More Vehicle Trends, Minneapolis Tax Levy vs. State LGA Funding, Operating Speeds Across Different Modes over Time, […]

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