EPA demands DEF failure data from diesel makers. Investigation could force recalls and software fixes for engines already on U.S. roads. 30-day deadline set.

Add Yahoo as a preferred source to see more of our stories on Google. (Photo/Ram) Just two weeks ago, the head of the Environmental Protection Agency (EPA) made an extraordinary announcement: ...

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

Diesel fuel has undoubtedly taken a lump or two over the last decade-and-a-half. But even Volkswagen's infamous "Dieselgate" scandal couldn't completely derail diesel engines as a viable, more ...

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 ...

EPA’s unwinding of the Obama-era endangerment finding could amount to the largest deregulation in history. One positive outcome for farmers is the change it could mean for the use of Diesel Exhaust ...

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 ...

Rislone DEF Crystal Clean Protects Diesel Emissions and Exhaust Systems Most drivers know the consequences of running out of fuel: The car or truck will stop running, and they’ll be stranded. But what ...