One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...

Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.

Modern diesel cars, trucks and SUVs have selective catalytic reduction (SCR) systems to reduce exhaust pollutants and meet emissions standards. These systems work by injecting diesel exhaust fluid ...

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 ...

Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...

Since January 1, 2010, on-highway vehicles sold by any truck OEM other than Navistar have been equipped with a selective catalytic reduction (SCR) system using diesel exhaust fluid (DEF). “Therefore, ...

Shell Rotella has introduced its own Diesel Exhaust Fluid, designed for on-highway medium- and heavy-duty trucks as well as off-highway construction equipment and trucks. Shell Rotella DEF is a high ...

Diesel exhaust fluid or DEF is a critical ingredient for making selective catalytic reduction (SCR) work. It's a clear fluid with a very slight yellowish tinge to it and smells faintly of ammonia; yet ...

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).

The Cold Weather Diesel Reliability Act would require the EPA to authorize manufacturers to suspend engine derates and ...