urea

In a lawsuit filed in early July, Navistar, a U.S.-based manufacturer of heavy-duty diesel engines, accused U.S. Environmental Protection Agency director, Lisa Jackson, of not upholding the Clean Air Act and the Agency of not acting to protect public health. At issue is whether emissions-control ...

In a lawsuit filed earlier this month, Navistar, a U.S.-based manufacturer of heavy-duty diesel engines, accused U.S. Environmental Protection Agency director, Lisa Jackson, of not upholding the Clean Air Act and the Agency of not acting to protect public health. If what Navistar is claiming ...

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 ...

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 ...

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. This will be the first Japanese brand diesel to feature an selective catalytic reduction system. Like ...

As our nation's legislators continue to make it more and more difficult for diesel engines to meet tough new emissions requirements, Pilot, the country's largest operator of travel centers (aka truck stops), has announced it will begin selling diesel exhaust fluid at all of its locations. In 100 ...

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 ...

When 2010 rolls around in about nine months, all automakers that offer diesel vehicles in the United States will need to meet new requirements that will mandate a 90 percent reduction in nitrogen oxide emissions compared to what is allowable today. These regulations will also cover large pickup ...

Those of you planning to buy the new Bluetec diesel SUVs from Mercedes Benz will want to make sure you don't miss your regular service intervals or ignore warning lights. If you do, you might find yourself stranded at the mall. In order to ...

Catalytic converters are quite common for gasoline engines but diesel catalysts are less known, in part because they face greater challenges. Still, diesel catalysts have not disappeared because they are efficient and, when you start your car, they don't produce heaps of CO2. Their main problem is ...