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EPA Announces New Fuel-Economy Test Guidelines

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Automakers will have a new set of EPA guidelines for conducting fuel-economy tests, the agency announced Monday. The move is in response to some automakers — Ford and Hyundai/Kia — that have had to lower fuel-economy ratings on their cars during the past several years because of testing errors.

Related: Loopholes and Fuzzy Math: The Tangled Science of MPG Ratings

These guidelines cover vehicle preparation for the fuel-economy testing such as tire wear levels and breaking in a new car beforehand. They also cover the impact of aerodynamic drag and tire rolling resistance on a car’s fuel economy.

“Without question, [the] industry is paying more attention — and that’s a good thing,” Chris Grundler, EPA’s director of the Office of Transportation and Air Quality, told the Detroit News.

Read the Detroit News’ full story here.

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Jennifer Newman

Editor-in-Chief Jennifer Newman is a journalist with more than 25 years of experience, including 15 years as an automotive journalist at Cars.com. Jennifer leads the Editorial team in its mission of helping car shoppers find the vehicle that best fits their life. A mom of two, she’s graduated from kids in car seats to teens behind the steering wheel. She’s also a certified car-seat technician with more than 12 years of experience, as well as member of the World Car Jury, Automotive Press Association and Midwest Automotive Media Association. LinkedIn: https://www.linkedin.com/in/jennilnewman/ Instagram: @jennilnewman

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