Federal, state and local emissions regulations are pushing power plant owners and operators to cut NOx emissions considerably. Selective catalytic reduction, wherein NOx emissions are converted into ...

Mazda becomes the first Japanese automaker to develop an urea selective catalytic reduction (SCR) system that reduces the amount of nitrous oxides (NOx) generated by diesel exhaust gases. Several ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

Beyond liquid urea injection, dosing and control solutions, Tenneco’s full suite of technologies for aftertreatment includes custom-engineered SCR catalysts and substrates. Along with joint ...

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 ...

Selective catalytic reduction (SCR) systems employing a urea-water solution inject a measured dose of aqueous urea into exhaust gases, where thermal decomposition and hydrolysis generate ammonia. This ...

This story appears in the November/December 2009 issue of Equipment & Maintenance Update, a supplement to the Nov. 23 print edition of Transport Topics. Click here to subscribe today. Today’s new ...

Nationwide Boiler Inc. says it recently supplied the first-ever temporary selective catalytic reduction (SCR) systems utilizing a 32.5% liquid urea solution, commonly known as DEF (diesel exhaust ...

This story appears in the Nov. 3 print edition of Transport Topics. Click here to subscribe today. When heavy-duty engines with selective catalytic reduction technology start rolling in 2010, truckers ...

Pollutants emitted from combustion sources have been regulated by local and federal governments since the early 1960s. Specific rules vary by state and air district, but they generally apply to ...

Mercedes sales staffers: Get ready for ribald jokes about standard-equipment urinals and emergency fill-ups when you explain to customers that they have a new fluid level to check. Those gags already ...