DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions.

Daimler AG will pay $2.2 billion to resolve a U.S. government diesel emissions cheating investigation and claims from 250,000 U.S. vehicle owners, court documents show.

A salvage team is still trying to plug a fuel leak from the fire-stricken New Diamond oil supertanker, Sri Lankan Navy spokesman Indika de Silva said on Friday.

Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

The Bangladesh Petroleum Corporation (BPC) is facing difficulties in storing imported diesel in Chattogram, as two large tanks at the state-owned Eastern Refinery are currently under maintenance.

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...

The U.S. Environmental Protection Agency announced revisions to diesel exhaust fluid guidelines, with the change sparked, in part, after conversations with Oklahoma farmers. The U.S. Environmental ...

SALEM, Ohio — The Environmental Protection Agency issued new guidance Aug. 14 to address problems with diesel exhaust fluid systems that can cause newer model heavy-duty vehicles to suddenly lose ...

Kevin is the Managing Editor and Producer of Fleet Equipment Magazine. He joined Babcox Media in 2024, after a decade in TV news production. A frequent attendee of trade shows and industry events, ...

Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...

The Environmental Protection Agency says that is is now taking action to address growing concerns from farmers, truckers, and other diesel vehicle operators over performance issues tied to selective ...

DES MOINES, Iowa (IOWA CAPITAL DISPATCH) - U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment manufacturers to prevent sudden shutdowns ...