Cummins Inc. announced that it will not use selective catalytic reduction (SCR) technology — which requires the use of urea — to meet the EPA 2010 emissions regulations for heavy-duty diesel engines.

The Cummins 2010 ISX will meet U.S. Environmental Protection Agency requirements without using selective catalytic reduction. Cummins said its heavy-duty diesel engines that comply with the EPA’s 2010 ...

If it hadn't been for the development of copper zeolite as a catalyst to use in reducing nitrogen oxides (NOx), Cummins might have been right alongside Navistar in using increased levels of exhaust ...

LOUISVILLE, Ky. — When Cummins shocked the industry last August by announcing it was abandoning its plans to achieve EPA2010 compliance using an in-cylinder solution in favour of selective catalytic ...

NASHVILLE. Cummins Inc. announced that the engine maker will not use selective catalytic reduction (SCR) technology—which requires the use of urea—to meet the EPA 2010 emissions regulations for ...

NASHVILLE, Tenn. — Heavy-duty Cummins engines will not use selective catalytic reduction (SCR) to meet 2010 nitrous-oxide emissions limits like a handful of other engine makers. Nor will they need any ...