Truck engine makers planning to use selective catalytic reduction in 2010 engines lashed out last week against what one executive called “unsubstantiated attacks leveled against SCR” by the ...

Navistar Inc. has urged U.S. and California environmental regulators to recall 2010-compliant heavy-duty truck engines using selective catalytic reduction emissions technology that the company ...

Brenntag, which says it is the largest distributor of automotive grade urea in the world, announced last week that its North American arm will provide diesel exhaust fluid (urea) for SCR engines ...

Navistar previously had sued both EPA and CARB over their acceptance of SCR technology without stronger measures to prevent engine operation without DEF or an operational SCR system.

The launch of the International TranStar regional-haul tractor with a MaxxForce 13 engine employing Selective Catalytic Reduction (SCR) emissions technology continues Navistar’s SCR transition.

The MAN SCR-HP is available for two-stroke engines of all bore sizes and reduces – through internal catalytic reaction – NOx exhaust emissions to IMO Tier III limits. With specially developed ...

Paccar announced that it will join Detroit Diesel, Volvo and Mack in the use of selective catalytic reduction as an element in its engine platform to meet 2010 Environmental Protection Agency ...

EPA has reconsidered its stance against selective catalytic reduction (SCR) as a viable technology for on-highway diesel engines to meet stringent 2010 emissions standards, and sent a letter to ...

That suit had alleged that CARB was improperly certifying 2010 diesel engines equipped with SCR aftertreatment systems to control emissions of oxides of nitrogen (NOx).

Tenneco introduced a new large engine selective catalytic reduction (SCR) system for marine and large engine applications.

Tenneco’s SCR aftertreatment system features a complete dosing control solution specifically designed for marine engine applications up to 7,500 kW or 10,000 hp. The system enables auxiliary and ...