COLUMBUS, IN - Cummins Inc. (NYSE: CMI) announced that the QSK high-horsepower engine range will move forward to meet EPA Tier 4 Final off-highway 2015 emissions with a combination of clean in- ...

SCR equipment won’t work unless the gases can contact the catalyst. Therefore, keeping the catalyst clean is a critical part of the design process, and involves substantial cost considerations. Two ...

Cummins Inc. on Tuesday, March 22, announced that the QSX15 engine will move forward to meet near-zero emissions levels in 2014 with power output increased up to 675 hp (503 kW). The 15-liter ...

Cummins Inc. says it will use selective catalytic reduction on its 2010-model heavy duty engines, reversing a previous announcement that it would avoid the urea-dependent aftertreatment by using ...

Cummins announced today it will add Selective Catalytic Reduction (SCR) aftertreatment to its heavy-duty product line to meet 2010 Environmental Protection Agency (EPA) diesel-engine emissions ...

Cummins Inc. announced that the QSK high-horsepower engine range will move forward to meet EPA Tier 4 Final off-highway 2015 emissions with a combination of clean in-cylinder combustion and a new ...

LAS VEGAS--(BUSINESS WIRE)--Cummins Inc. (NYSE: CMI) today revealed the latest generation of the QSL9 engine at CONEXPO-CON/AGG – capable of meeting near-zero emissions levels. This 9-liter engine ...

COLUMBUS, Ind. — Unprecedented fuel prices and the discovery of a new copper-zeolite catalyst material are what drove Cummins to change directions on its path to EPA2010 heavy-duty engine compliance.

COLUMBUS, Ind. — Cummins has announced it will join most other engine manufacturers in using urea-based Selective Catalytic Reduction (SCR) on its heavy-duty engines in 2010. The company initially ...