I confess that I have been lusting after environmentally friendly cars since electronic cars and hybrids first hit the market. Now I’ve found a new object for my lust, as a company called Smart, ...

Diesel once promised a cleaner, thriftier future for drivers and governments, yet within a decade it has slipped from ...

Swedish automaker Volvo has rolled out its last diesel-powered passenger vehicle, after a 45-year relationship with the powertrain and cranking out millions of oil-burning cars. Between 2012 and 2016, ...