The Environmental Protection Agency wants to change how diesel trucks respond when their emissions equipment runs out of ...

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 ...

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

EPA has proposed ending diesel exhaust fluid-related engine derates, replacing the gradual dialing back of truck performance ...

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

The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel exhaust fluid (DEF) system failures that have disrupted farming, trucking, and ...

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

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 ...

For family farmers battling razor-thin profit margins, rising input costs and stubbornly low commodity prices, even modest ...

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 ...

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 ...