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We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Green Vehicle Guide

Find a SmartWay Vehicle

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Want the cleanest, most efficient vehicle? Look for a SmartWay Certified Car or Truck!
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The SmartWay program certifies the 20% lowest-emitting passenger vehicles each model year, based on greenhouse gas and smog ratings.  Visit SmartWay Vehicles for more information. also has a search tool for SmartWay vehicles.

In 2016, the Department of Justice alleged violations of the Clean Air Act by Volkswagen (including Audi and Porsche) covering all of Volkswagen's 2.0L and 3.0L diesel vehicles sold in the United States since model year 2009. All relevant data from the affected vehicles have been removed from this website until there is an EPA-approved emissions modification. However, the SmartWay designation will be grandfathered in for the affected vehicles.

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