In a new twist in Volkswagen’s diesel emissions cheating scandal, a high-profile ex-official for the automaker has been reportedly arrested by the FBI on charges of conspiracy to defraud the United States. On Saturday, the Federal Bureau of Investigation detained Oliver Schmidt, who headed Volkswagen’s regulatory compliance office in the United States from 2014 to March 2015, the New York Times... 

Mercedes-Benz, Honda, Mazda and Mitsubishi’s cars are shown to emit significantly more NOx pollution on the road than in regulatory tests. Mercedes-Benz, Honda, Mazda and Mitsubishi have joined the growing list of manufacturers whose diesel cars are known to emit significantly more pollution on the road than in regulatory tests, according to data obtained by the Guardian. In more realistic on-road...