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 ...

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 ...

According to MarketsandMarkets™, the global exhaust aftertreatment system market is projected to grow at a CAGR of 2.9% ...

New online resource provides policymakers, industry stakeholders, and the public with trusted information on clean diesel ...

Emission regulations for combustion systems have been in place for more than half a century and in the 1990’s, the Clean Air Act put a spotlight on emissions specifically from industrial boilers.

PACCAR has been granted a patent for a method involving a heavy-duty truck’s diesel engine and exhaust after-treatment system. The system includes selective catalytic reduction systems and NOx sensors ...

Scientists have discovered a low-cost method to significantly reduce this pollution from hydrogen internal combustion engines by improving the efficiency of their catalytic converters. The researchers ...

The Engine Technology Forum’s new online hub aims to provide fleets, policymakers, and equipment owners with fact-based information about selective catalytic reduction technology, diesel ...