Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...

The VW ALH 1.9 TDI reaches 500,000 miles without DPF or AdBlue systems. Here's why this simple diesel still makes sense as a ...

Selective catalytic reduction (SCR) systems employing a urea-water solution inject a measured dose of aqueous urea into exhaust gases, where thermal decomposition and hydrolysis generate ammonia. This ...

The process that can convert pollution into benign by-products is called selective catalytic reduction, or SCR. Until now, it has been unclear how this reaction actually occurs, and contradictions ...

Cummins Inc. has begun updating certain engine calibrations to give operators more time to complete needed repairs and help ...

Pollutants emitted from combustion sources have been regulated by local and federal governments since the early 1960s. Specific rules vary by state and air district, but they generally apply to ...

The Engine Technology Forum (ETF) today announced the launch of its new Selective Catalytic Reduction (SCR) & Diesel Exhaust Fluid (DEF) Policy and Technical Resource Center, a comprehensive online ...