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2007 Mercedes-Benz E320 BlueTec

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February 14, 2007 9:48 AM PST

2007 Mercedes Benz E320 BlueTec: Clean Diesel

The 2007 E320 BlueTec is the first car to reach the U.S. with a BlueTec diesel system, making use of a number of components in the exhaust stream that serve to treat the engine's emissions before they are released into the air. These comprise an oxidizing catalytic converter, a particulate filter, an advanced "denox" storage converter, and a Series Catalytic Reduction (SCR) catalytic converter, which adds a reducing agent to the exhaust stream in diesel cars to reduce harmful nitrogen oxides into less noxious components. In addition, the exhaust-stream technology, the E320 runs on ultralow sulphur diesel, which is available at a limited--but growing--number of gas stations across the country.

Photo credit: CNET Networks

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