With the Environmental Protection Agency enacting stricter diesel engine emissions restrictions in 2010 and Volkswagen infamously getting caught dodging them less than a decade later, diesel power has ...

This is the kind of question where we'd better talk about terms before answering it. That's because AdBlue is a brand name for what folks in the United States usually call diesel exhaust fluid — aka ...

The Environmental Protection Agency is changing regulations about diesel engines that could help Oklahoma farmers and truck ...