Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made up ...

The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines stay compliant while producing gobs of power. Diesel ...

Most drivers know the consequences of running out of fuel: The car or truck will stop running, and they’ll be stranded. But what many don’t realize is that if a diesel-powered vehicle runs out of ...