Why doesn't diesel exhaust fluid (DEF) work in extreme cold?

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't ...

DEF sensors no longer required on trucks, other diesel equipment: EPA

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.
CarBuzz

Apparently, Feds Are Fed-Up With DEF Diesel Systems, Too

Added information on DEF / DPF system history for on-road and off-road diesel-powered vehicles and equipment. The run of ...
Construction Equipment

Diesel Exhaust Fluid Goes Off-Road

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 ...
Fast Lane Only on MSN

EPA urges diesel makers to drop failure-prone DEF quality sensors

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