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.



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. is a non-profit and is volunteer run. We rely on your support to keep the servers running. If you value what you read, please consider becoming a member.



  1. Sunday Summary – November 16, 2014 | - 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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