Tagged with 'urea-injection'

Video: Emissions equipment causes DC ambulance to shut down, patient dies

Published: June 3, 2013

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Video: Emissions equipment causes DC ambulance to shut down, patient dies thumbnail

Filed under: Government/Legal , Safety , Videos , Police/Emergency , Diesel Every minute matters when life is on the line. That’s why ambulances exist and why we all (well, most of us, anyway) pull over when we see their flashing lights and hear sirens coming our way.


Don’t like topping-up your clean diesel with urea? GE’s got an answer, maybe

Published: March 30, 2010

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Don’t like topping-up your clean diesel with urea? GE’s got an answer, maybe thumbnail

Filed under: Diesel , Emerging Technologies , Ethanol , Flex-Fuel Not only is topping off your clean diesel’s fancy selective catalytic reduction (SCR) system with urea a bit expensive , but if you don’t keep it topped off, your car may not start at all . Well, GE and Umicore have announced they’ve signed a Technology License agreement to commercialize a hydrocarbon selective lean NOx catalyst (HC-LNC) aftertreatment designed to control diesel NOx emissions that doesn’t use urea. The catalyst is being designed for off-highway and on-road vehicles, marine applications and even stationary power markets (i.e.


Detroit Diesel engines certified to meet 2010 emissions standards

Published: January 30, 2010

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Detroit Diesel engines certified to meet 2010 emissions standards thumbnail

Filed under: Diesel , Daimler Detroit Diesel’s newly selective catalytic reduction (SCR)-equipped DD-13, DD-15 and DD-16 truck engines have just been certified by the Environmental Protection Agency as meeting the EPA 2010 emissions standards. The Bluetec-badged engines use SCR to eliminate most NOx emissions in order to meet the standard. SCR uses a urea solution injected into the exhaust gas stream that reacts with the NOx to convert it to nitrogen and water.


Frankfurt Preview: Audi to intro clean A4 TDI, A3 TFSI, coming to America?

Published: August 29, 2009

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Frankfurt Preview: Audi to intro clean A4 TDI, A3 TFSI, coming to America? thumbnail

Filed under: Diesel , MPG , Audi , Frankfurt Motor Show Audi A4 TDI – click above for high-res image gallery Audi will be launching at least three new models next month at the Frankfurt Motor Show , two of which seem like they have a good chance of coming to North America and one that doesn’t. The A4 TDI clean diesel will make its debut at the German show with the latest edition of the firm’s 3.0-liter diesel V6


Frankfurt Preview: Mazda CX-7 to debut new diesel SCR system

Published: August 15, 2009

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Frankfurt Preview: Mazda CX-7 to debut new diesel SCR system thumbnail

Filed under: Diesel , Mazda , Frankfurt Motor Show 2010 Mazda CX-7 MZR-CD – click above for high-res image gallery Mazda will be showing off the newly refreshed CX-7 with the latest MZR-CD 2.2-liter diesel next month at the Frankfurt Motor Show.


Mazda launches 2009 CX-7 in Europe with urea selective catalytic reduction system

Published: March 17, 2009

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Mazda launches 2009 CX-7 in Europe with urea selective catalytic reduction system thumbnail

Click above to enlarge When the 2009 Mazda CX-7 hits European dealerships this year, the SUV will carry the first production urea selective catalytic reduction (SCR) system from a Japanese automaker. Mated with the automaker’s MZR-CD 2.2L turbo diesel engine, the SCR will inject a small mist of aqueous urea directly into the exhaust system.


Mazda launches 2009 CX-7 in Europe with urea selective catalytic reduction system

Published: March 17, 2009

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Mazda launches 2009 CX-7 in Europe with urea selective catalytic reduction system thumbnail

Click above to enlarge When the 2009 Mazda CX-7 hits European dealerships this year, the SUV will carry the first production urea selective catalytic reduction (SCR) system from a Japanese automaker. Mated with the automaker’s MZR-CD 2.2L turbo diesel engine, the SCR will inject a small mist of aqueous urea directly into the exhaust system.