New enhancements for Freightliner and Western Star trucks with Detroit engines align with EPA’s revised guidance, reducing ...

The U.S. Environmental Protection Agency, working hand in hand with the U.S. Small Business Administration, is providing relief for any farmer whose tractor has suddenly shut down mid-field, or ...

The software update changes DEF-related derate parameters to meet updated EPA guidance issued last summer. Also: Community's ...

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 ...

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 ...

In 2004 the Environmental Protection Agency (EPA) signed the final rule introducing Tier 4 emission standards. The goals of the regulation are designed to preserve and improve health, but the rules ...

Washington, DC, June 15, 2026 (GLOBE NEWSWIRE) -- The Engine Technology Forum (ETF) today announced the launch of its new Selective Catalytic Reduction (SCR) & Diesel Exhaust Fluid (DEF) Policy and ...

Daimler Truck North America is updating software on 330,000 trucks, raising the DEF final inducement speed limit to 25 mph to ...