FRANKFURT, Germany — In 2014, as evidence mounted about the harmful effects of diesel exhaust on human health, scientists in an Albuquerque, New Mexico, laboratory conducted an unusual experiment: Ten ...

Volkswagen will launch a super-clean Golf BlueMotion at the Frankfurt motor show next month. At just 4.5 litres of diesel per 100 km (62.8 mpg), its fuel consumption has been reduced by 0.6 litres ...

The Federal Trade Commission on Tuesday filed a four-count complaint against Volkswagen Group in a California federal court, accusing the company of deceptively advertising "clean diesel" vehicles.

DETROIT/WASHINGTON, Sept 21 (Reuters) - When the International Council for Clean Transportation (ICCT) commissioned researchers at West Virginia University to test diesel car emissions in 2013, the ...