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 ...

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 ...

This is part of FleetOwner's Fleets Explained, a Trucking 101 series to break down aspects of the trucking and fleet management industries. You can read more from the ...

I recently read a pretty startling statistic—in the next year, the off-highway engine market will consume about 20 million gallons of Diesel Exhaust Fluid (DEF). In the next five years that number is ...