You just can't mistake it for anything else, especially if you come from a country where old diesel Mercedes are popular ...

The Deccan Queen, India’s first electric express train, has been in a rare gesture, running with diesel locomotives since ...

Scientists have developed a new way to power ferry boats using air instead of diesel. This cleaner method uses pneumatic ...

Those old diesel realities no longer apply ... That contrasts with what the EPA alleges the engine actually does: emit nitrogen oxides, or NOx, at up to 40 times the government standard.