17 Fuel efficiency of cars in the USA

“It’s ugly, but it gets you there.”

— Volkswagen advertisement 1969 at the time of the first moon landing

Background Fuel economy data for individual models of cars and trucks is made available by the US Department of Energy.

Questions Are cars more fuel efficient than in the past? Which cars use the most fuel and which the least? How have the available models changed over time? How has fuel efficiency changed over time for particular models?

Sources Environmental Protection Agency (2021)

Structure A dataset with 43516 cases and 83 variables covering vehicles introduced in the years from 1984 to 2021.