Diesel engines can be more efficient than gasoline engines, but that's largely due to DEF. Here's what it does, how it helps, and what happens if you run out.

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 ...

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 ...

The consequences can be dire when the diesel fuel is contaminated with DEF. In the more severe cases, the entire fuel system must be replaced, from the fuel fill pipe to the fuel injectors and ...

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 ...

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 ...

Selective catalytic reduction technology uses ammonia to break down NOx emissions produced during diesel combustion into nitrogen and water. SCR has become the technology of choice for a majority of ...

According to the Farmer's Almanac, the winter of 2020 will be filled with bitterly cold weather from the eastern parts of the Rockies and east to the Appalachian Mountains and Northeast U.S. However, ...

Saving the earth one plastic tote and cardboard box at a time. Diesel exhaust fluid (DEF) is nothing new. GM’s ...

With 2020 being dominated by challenges caused by COVID-19, some diesel-powered vehicles have likely been out of service for a long time. This includes buses, motorcoaches, trucks, and other fleet ...

Purchasers of Black-Market Human Organs Often Complicit in Murder Slowing Down on the Auto Ban? No, the Pipe Bomb Conspiracy Theories Were Not Close Enough Britain’s New(ish) Aristocracy Audio By ...