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

The short answer to why Diesel Exhaust Fluid doesn't work in the cold: It freezes at 12 degrees Fahrenheit. Comprised primarily of deionized water and urea, DEF serves to help make large diesel ...

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 ...

It's no secret that diesel engines have experienced significant growth over the past two decades. Today, many manufacturers, including Subaru, Volkswagen, and Audi, are choosing diesel, as it is more ...

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 fluid (DEF), impacting U.S. drivers already hit with ...

Pilot Flying J says it is on track to offer diesel exhaust fluid at the pump at nearly every diesel lane at the company’s travel centers and travel plazas across the U.S. by October. Currently it's ...

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 ...

ATA’s Women In Motion Council and Trucker Path highlight three truck stops that meet all seven safety-focused criteria and rank highest among female drivers.

Diesel Exhaust Fluid (DEF) contamination with Fuel System Icing Inhibitor (FSII) is a very serious threat to the aircraft fueling system. There have been multiple incidents where DEF was mistaken for ...