On Thursday, General Motors denied allegations named in a lawsuit that the company cheated emissions tests on the automaker’s full-sized diesel pickup trucks. In the lawsuit—filed by two the lawyers of two truck owners in the US District court of Detroit—alleges that vehicles equipped with Duramax diesel engines have also been outfitted with three different devices that can allow more pollution on the road than would be allowed on the Environmental Protection Agency treadmill tests.
For example, Hagens Berman says the suit was based on several tests it had conducted on a 2013 Silverado 2500HD that had 51,000 miles. Legal partner Steve Berman reported that he had hired independent engineers to test these diesel vehicles after Volkswagen had acknowledged it had cheated on 2015 emissions tests.
Hagens Berman said the suit was based on tests it conducted on a 2013 Silverado 2500HD with about 51,000 miles on the odometer. Steve Berman, a partner, said the firm had hired its own engineers to test diesel vehicles after Volkswagen acknowledged in 2015 that it had cheated on emissions tests.
Berman comments, “We came to the conclusion that all manufacturers in Europe had cheated, and we began to ask, ‘How could it be that the vehicles manufacturers are selling in the U.S. are clean?'”
Indeed, you may recall that Volkswagen admitted—in September of 2015—it had installed software on its cars that could detect when they were being tested (as opposed to when they were operating on the road) in order to switch emissions controls off and on in order to give cars better fuel economy.
Overall, Volkswagen ended up selling roughly 11 million cars and SUVs—about 600,000 in the United States—with this emissions cheating software.
In response to this, Kelley Blue Book senior editor, Karl Brauer, notes, “Volkswagen, because the cheating was so clear with them, sort of because the poster child for misbehavior when it comes to diesel emissions. And now, it’s like, ‘Let’s look at all the other diesels and see if they’re doing the same thing.'”
General Motors Corp, of course, is denying these allegations. In a statement, the company has said, “These claims are baseless and we will vigorously defend ourselves.”