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 ...

Key market opportunities for copper zeolite SCR catalysts include rising adoption of ultra-low emission diesel engines, ...

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.

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 ...

MAN Energy Solutions has announced the production of a massive Cluster 5 Double Layer Selective Catalytic Reduction (SCR) converter to MITSUI E&S. The cluster comes ammonia-ready and is the largest ...

Johnson Matthey Plc (JM) has announced the completion of its acquisition of CORMETECH Inc. (Cormetech), following the satisfaction of customary closing conditions including all regulatory approvals.

Today’s workboat operators must navigate increasingly stringent IMO and EPA environmental and emissions regulations in and around ports and rivers. As the drama unfolds, selective catalytic reduction ...

The Environmental Protection Agency wants to change how diesel trucks respond when their emissions equipment runs out of diesel exhaust fluid or develops a fault. Under a newly proposed rule, future ...

New online resource provides policymakers, industry stakeholders, and the public with trusted information on clean diesel technologies. Washington, DC, June 15, 2026 (GLOBE NEWSWIRE) -- The Engine ...