Selective catalytic reduction (SCR) technology configured with a diesel oxidation catalyst (DOC) have combined to reduce nitrous oxide (NO X) emissions by more than 73 percent and carbon monoxide (CO) ...

When it comes to reducing the nitrogen oxide (NOx) emissions of diesel-burning commercial vehicles, selective catalytic reduction (SCR) is firmly in place as today’s technology. And these systems are ...

This story appears in the June 13 print edition of Transport Topics. The Environmental Protection Agency last week updated its guidance for certification of heavy-duty truck engines using selective ...

The more stringent Tier 4 emissions standards for non-road diesel engines adopted by the U.S. Environmental Protection Agency in May 2004 are intended to significantly reduce (by about 90 percent) the ...

Diesel aftertreatment system features integrated soot blower which offers greater NOx reduction and enhanced catalyst performance IMABARI, Japan--(BUSINESS WIRE)--Tenneco (NYSE: TEN), a leading global ...

HOLLY, Mich., March 13, 2024 /PRNewswire/ -- Rislone introduces DEF Crystal Clean™ Diesel DEF & SCR Emissions System Cleaner. This one-of-a-kind product scrubs away crystal contaminants from the ...

Tenneco (NYSE: TEN) has announced that it has introduced a complete urea dosing control, fluid handling and catalyst solution for selective catalytic reduction (SCR) aftertreatment, enabling large ...

Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...