The modern world relies on diesel fuel for everything from personal transportation and hauling products and goods across the country to powering construction equipment and farming implements. While ...

Truck makers relying on selective catalytic reduction (SCR) technology to get their vehicles into compliance with 2010 emission rules are finding out that diesel exhaust fluid or “DEF” is probably one ...

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel vehicles, introduced to comply with US Environmental Protection Agency (EPA) regulations that began in 2010. It's a solution made up ...

Shell Rotella diesel exhaust fluid (DEF) is for the selective catalytic reduction systems used in most 2010 and later on-road diesel-powered trucks and Tier 4-F construction equipment. Meeting the ...

This story appears in the April 2 print edition of Transport Topics. With demand for diesel exhaust fluid expected to double this year, truck stops and carriers say they are responding by installing ...

The quality of the DEF going into your vehicle is as important as the quality of the engine oils or fuels used in your vehicles. When diesel-powered trucks sit idle for extended periods, it’s easy to ...