Energy Europe Exhaust Ozone 
Green Car Congress
JUNE 1, 2017
Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. Generally, different combustion and exhaust treatment characteristics result in significantly higher NO x /CO 2 emission ratios for diesel powered cars than for gasoline.
Green Car Congress
SEPTEMBER 11, 2013
Recently, researchers have produced a new zeolite that is surprisingly stable and makes very little nitrous oxide from nitric oxide, a chemical that depletes ozone. Some of the diesel vehicles in Europe are now using this catalyst, and drivers must top off their urea tank as well as their diesel. Ja Hun Kwak, Jong H. Lee, Sarah D.
Green Car Congress
AUGUST 30, 2009
The start of the new millennium brought with it increased oil prices, which in turn sparked a resurgence of Brazil’s drive toward energy independence, including a revival of its ethanol program. The result is more efficient combustion, cooler running engines, lower exhaust temperatures, and increased longevity of engine life.
Green Car Congress
OCTOBER 20, 2012
Their paper appears in the ACS journal Energy & Fuels. They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds.
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