Episode

CarStuff

HowStuffWorks

Games & Hobbies, Automotive

Chart Positions

Automotive 3
Games & Hobbies 20

What's the history of stop lights? What are some common myths about car dealerships? Join Scott and Ben as they take a closer look at all things automotive in CarStuff, a podcast by HowStuffWorks.com.

How does the EPA calculate miles per gallon?

July 7th, 2009

Episode 76 of 814 episodes

Before a car is sold in the US, the Environmental Protection Agency conducts tests to estimate the number of miles the car gets per gallon. Learn how these tests work -- and why results may vary -- in this podcast from HowStuffWorks.com.

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