The Environmental Protection Agency plans to stop requiring that diesel trucks automatically reduce power when their emissions exceed certain limits under a proposed rule that would also do away with ...

Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...

On Thursday, the U.S. Environmental Protection Agency (EPA) released the following: Today, U.S. Environmental Protection ...

For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...

[Stay on top of transportation news: Get TTNews in your inbox.] Ongoing shortages of replacement parts for failed diesel exhaust fluid quality sensors are believed to be causing thousands of trucks ...

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 ...

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 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 ...

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 ...

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 ...