Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

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 modern world relies on vehicles of all kinds for everything from personal transportation to the facilitation of international trade. These vehicles — which range from passenger cars and SUVs to ...

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 ...

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 ...

Diesel Exhaust Fluid (DEF) contamination with Fuel System Icing Inhibitor (FSII) is a very serious threat to the aircraft fueling system. There have been multiple incidents where DEF was mistaken for ...

The Environmental Protection Agency (EPA) has issued new guidance regarding diesel exhaust fluid (DEF) systems in diesel engines that cause trucks and tractors to enter "limp mode" when DEF levels are ...

We all make mistakes, but rarely do they have the potential to cost us upwards of $15,000. That’s the kind of error one owner of a 2023 GMC Sierra 1500 with the 3.0 ...

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 ...