See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The U.S. could soon experience a severe shortage of diesel exhaust ...

Diesel Exhaust Fluid systems have been plagued with reliability issues, raising questions about the EPA's approach to ...

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 ...

The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines stay compliant while producing gobs of power. Diesel ...

Environmental Protection Agency (EPA) Administrator Lee Zeldin has announced plans to eliminate restrictions placed on diesel-equipped vehicles when they run out of diesel exhaust fluid (DEF).

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 engines are disappearing from smaller cars and SUVs in the U.S. thanks to a series of emissions scandals since Dieselgate. But there are still plenty of heavy-duty pickups and larger trucks ...

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust fluid systems may finally be getting some relief. The U.S. Environmental ...

The Environmental Protection Agency said Tuesday it plans to eliminate diesel emissions requirements for farm equipment, ...