On September 18th, the Environmental Protection Agency issued a notice of violation of the Clean Air Act to Volkswagen for including software in their diesel vehicles that helps circumvent EPA emission standards for nitrogen oxides. As a result, greenercars.org has suspended Green Scores for the affected vehicles until further notice as these scores are no longer valid. Read more at greenercars.org.
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Fuel Economy Efficient Vehicle TechnologiesAuthors
Shruti Vaidyanathan
Transportation Program Director
