GREEN
03/16/2009 03:26 pm ET | Updated May 25, 2011

Mazda Develops Japan's First Clean Diesel Urea Treatment for 2010 CX-7

Mazda says it has developed Japan's first urea treatment system for clean diesels, to be used in Japanese and European diesel models of the 2010 Mazda CX-7 crossover. [2] Spraying urea - a form of ammonia - into the exhaust stream sets off a reaction that neutralizes much of the smog-causing NOx, or nitrates of oxygen, in diesel exhaust, transforming it into nitrogen and water vapor. [2] The Honda system is self-contained while the urea system favored in Europe, and now by Mazda, requires car owners to top up a special urea tank, generally with every oil change. [2] Plastic recycler Agriplast says its Oregon facility has delivered its first full tanker container of oil (8,200 gallons) derived from recycled plastic that can be refined into oil for cars. [1] The idea, of course, is to take a waste stream and convert it into something useful (see Green Light post). [1] Plastic bottles have a low recycling value ; hence, a lot of the "recycled" plastic ends up in landfills. [1] In Ireland, a 15 cent tax on plastic bags dropped their use by over 99 percent, Kevin O'Connor, a researcher at University College Dublin told us last year. [1]
  1. Research Roundup: Cars Running on Garbage, Urine and Tiny Batteries (Greentechmedia)
  2. Mazda Develops Japan's First Clean Diesel Urea Treatment for 2010 CX-7 (Green Car Advisor (edmunds))

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