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 ...

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 ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Diesel fuel has undoubtedly taken a lump or two over the last decade-and-a-half. But even Volkswagen's infamous "Dieselgate" scandal couldn't completely derail diesel engines as a viable, more ...

The U.S. Environmental Protection Agency is working to fix a long-standing headache for diesel truck and equipment operators: power cuts triggered by low diesel exhaust fluid levels. New rules will ...

The EPA just released its biggest proposal yet to rewrite the 2027 heavy-duty diesel emissions rules, and it answers the question diesel owners have been asking for months. Will DEF systems disappear?

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

If you regularly drive a modern-day diesel-powered vehicle, chances are, you know what Diesel Exhaust Fluid (DEF) is. A crucial component used by most modern vehicles with diesel engines, DEF — which ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about diesel exhaust fluid system failures that have affected farmers and truckers ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

Nebraska Attorney General Mike Hilgers supports the EPA announcement regarding DEF system failures. "Consumers have the right to repair their diesel equipment to ensure they function properly and ...