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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.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
See omnystudio.com/listener for privacy information.
By iHeartPodcasts4.1
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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.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
See omnystudio.com/listener for privacy information.

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