(Bloomberg) -- Volkswagen AG rejected U.S. Environmental Protection Agency allegations that its cheating on diesel-emissions tests included Porsche and other high-end vehicles, setting up a showdown with U.S. regulators as it seeks to repair its battered image.
Software in 3.0-liter diesel engines was not installed “in a forbidden manner,” and Volkswagen is cooperating with the EPA to “clarify” its questions, the Wolfsburg, Germany-based company said in a statement. VW’s shares fell 1.5%, taking the market value lost since the diesel-testing scandal emerged in September to 19.9 billion euros ($21.8 billion).
The new investigation centers on the Porsche Cayenne and VW Touareg sport utility vehicles and as well as larger sedans and the Q5 SUV from Audi, according to the EPA. Volkswagen had previously admitted to installing a so-called defeat device in smaller autos from the 2009 to 2015 model years.
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