DETROIT – Shares of General Motors are lower than 2 percent on Thursday, after a lawsuit claimed that the diesel pick-up trucks cheat on emissions tests.
The lawsuit filed in Detroit federal court says that the pickups with the Duramax diesel engines have three devices on them, which are rigged to more pollution on the road than for the government in the laboratory.
GM said that the allegations are unfounded.
The lawsuit filed by the Hagens Berman firm of Seattle claims to be the trucks emit two to five times the legal limit for harmful nitrogen oxide. Also named as a defendant Robert Bosch LLC, GM’s electronic diesel controls. A message was left for a Bosch spokeswoman.
Diesel engines are under scrutiny worldwide after Volkswagen admitted that the diesel cars cheated tests.