HIROSHIMA, Japan — Mazda has developed Japan's first urea selective catalytic reduction system for passenger cars. The urea SCR system will be teamed with the company's new turbocharged 2.2-liter clean diesel in the face-lifted 2010 Mazda CX-7.
Similar to advanced exhaust treatment systems developed by several European automakers, Mazda's urea SCR system helps reduce oxides of nitrogen in the diesel exhaust. A urea mixture is sprayed directly into the exhaust gas flow to purify NOx.
Mazda's face-lifted CX-7 with the new urea SCR system is slated to go on sale later this year in Japan, as well as some European markets.
Inside Line says: Mazda has not said whether it plans to offer the clean diesel in any of its U.S. models. — Paul Lienert, Correspondent
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