Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...

EPA changes its diesel exhaust fluid sensor policy. The post DEF sensors no longer required on trucks, other diesel equipment: EPA appeared first on FreightWaves.

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

Environmental Protection Agency Administrator Lee Zeldin has announced that EPA has removed the requirement that diesel equipment contain Diesel Exhaust Fluid (DEF) sensor equipment. EPA announced the ...

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

The article outlines how sensor failures, turbocharger issues, fuel system problems, and DEF system faults trigger limp mode during heavy-duty use. Why do diesel trucks suddenly lose power and enter ...

The Environmental Protection Agency is requiring 14 major diesel engine manufacturers to provide detailed information about diesel exhaust fluid system failures that have affected farmers and truckers ...

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 ...

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 ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...