There is plenty of misinformation swirling around, so here is what you need to know to sort fact from fiction.

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 ...

Which diesel exhaust fluid is best? When you have a diesel vehicle, besides adding fuel, you need to add diesel exhaust fluid. Diesel-powered vehicles require diesel exhaust fluid to reduce engine ...

Duramax diesel truck owners are reporting widespread diesel exhaust fluid (DEF) tank-related failures that trigger warning messages, reduced engine power, and speed-limiting modes. Many cases involve ...

DEF is an additive for reducing NOx emissions from diesel engines, with strong and growing demand driven primarily by Class 8 vehicle usage in the Mid-Atlantic and Northeast of the United States. The ...

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 ...

We may receive a commission on purchases made from links. The government's strict emissions limits for combustion-powered vehicles have pushed automakers to develop technologies that let their engines ...

Since 2010, diesel-powered on-highway trucks in North America have been using selective catalytic reduction (SCR) as an exhaust after-treatment technique to control nitrogen-oxide (NOx) emissions. And ...

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 exhaust fluid (DEF) is essential for keeping modern diesel engines compliant with emissions laws and running efficiently. But ignoring your DEF tank or using poor-quality fluid can lead to limp ...

If you're short on time, here's what you should know. The primary claim made in the viral Facebook post was that Union Pacific was placing an embargo on Pilot Flying J. That supposed embargo would ...