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 ...

Selective catalytic reduction, used by all but one heavy-duty engine manufacturer to meet the 2010 emissions standards, opened up a whole new area of technology and maintenance. SCR is a diesel ...

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

This story appears in the Nov. 19 print edition of Transport Topics. WASHINGTON — Navistar International Corp. installed its first Cummins ISX15 engine in a ProStar Plus tractor on Nov. 15, with ...

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 ...