Tag Archives: fuel economy

Fuel Economy Weight Car Chart Cu

Chart of the Day: Fuel Economy, Weight, and Horsepower, 1975 – 2018

• May 9, 2019

Here’s a chart about cars, showing the changes since 1975 in some key dynamics about how cars use energy and how big they are. It’s from the EPA’s latest report on automotive trends, and it pegs these three variables at 1975 levels, charting the changes. Check it out: As you can see, there were big […]

Chart of the Day: More Vehicle Trends

• November 14, 2014

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.