Emission regulations for combustion systems have been in place for more than half a century and in the 1990’s, the Clean Air Act put a spotlight on emissions specifically from industrial boilers.

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 April 30 print edition of Transport Topics. Click here to subscribe today. Truck and engine makers said they were pleased with new guidelines on selective catalytic reduction ...

A paper by Ravi Krishnan, director of strategic planning for RJM Corporation of Norwalk, Conn., challenges the popular notion that selective catalytic reduction costs on diesel engines are potentially ...

Before reaffirming Navistar’s intention to be the sole U.S. truck manufacturer not to use selective catalytic reduction (SCR) to meet the upcoming 2010 diesel emissions requirements, Tim Shick, dir.