Fiat Chrysler and CNH Industrial offices were searched in Germany, Italy and Switzerland as part of a probe initiated by German prosecutors investigating emissions fraud.
Carmakers that try to cheat vehicle emissions tests could face unlimited fines and criminal charges under proposals set out on Thursday by the British government.
Ten U.S. states and the District of Columbia said Thursday they are challenging a decision by the Trump administration to drop a requirement that Harley-Davidson Inc spend $3 million to reduce air pollution under settlement the Obama administration announced.