Automotive expert witnesses may opine on automotive design, automotive technology, fuel economy and related aspects of the automotive industry. In the news, automakers Hyundai and Kia have agreed to pay a $100 million civil penalty to resolve alleged Clean Air Act violations. An EPA investigation found that the companies touted lower gas mileage and greenhouse gas emissions on 1.2M vehicles than test results showed. In a large number of tests, both Hyundai and Kia chose favorable data rather than average results. In certain cases, Hyundai and Kia relied predominantly on data gathered when test vehicles were aided by a tailwind.
In a 11/03/2014 press release, the EPA states:
United States Reaches Settlement with Hyundai and Kia in Historic Greenhouse Gas Enforcement Case