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.
Japanese carmaker Mitsubishi is being probed by German prosecutors for suspected use of illegal defeat devices installed in its diesel engines, the Frankfurt prosecutor's office said on Tuesday.
Lawyers for New York state and Exxon Mobil Corp delivered closing arguments in a closely watched trial accusing the oil company of hiding from investors the true cost of addressing climate change.
Volkswagen was fined one billion euros ($1.18 billion) over diesel emissions cheating in what amounts to one of the highest ever fines imposed by German authorities against a company, public prosecutors said on Wednesday.
While efforts to better equip the city to handle flood waters have struggled to keep pace with a booming population, the threat from climate change has worsened, experts say.