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Tag: mandatory diesel exhaust fluid (DEF)
ConExpo-Con/Agg
Cummins reveals Tier 4 final QSX15 engine
Columbus, Ind.-based Cummins announced plans to move forward for its QSX15 engine to meet near-zero emissions levels in 2014 with power output increased up to 675 hp. The 15-liter heavy-duty engine was revealed on March 23 at CONEXPO-CON/AGG 2011 to meet EPA Tier 4 Final and EU Stage IV emissions with an ultra-clean aftertreatment system […]
March 25, 2011
Roadbuilding
Feature Article: Trucks of Tomorrow
After New Year’s Day, if you buy a new truck you’ll have to choose between one of two new engine systems. The two distinct technologies have emerged to meet the Environmental Protection Agency’s diesel 2010 emissions requirements in the United States: Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction, (SCR).
December 1, 2009
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