The next generation of North American-built diesel engines, scheduled for introduction during the 2009 to 2011 timeframe, is a bright spot for an otherwise weak powder metal industry. New PM applications include cam gear drives, idler gears, timing system sprockets, and fuel injector gears. Powder-forged connecting rods and PM bearing caps are currently being tested and the outlook is good. General Motors put $69 million into its DMAX diesel engine plant in Moraine, OH to manufacture a new Duramax 6.6-liter V-8 turbo diesel engine that will meet 2010 emissions standards. DMAX Limited is a joint venture between GM and Isuzu Motors Limited and was established as a diesel engine company in 1998. About half of new cars in Europe feature diesel engines, which are more energy efficient than cars with spark ignition systems.
Oak Ridge National Laboratory has developed a surface preparation method to improve joining carbon composites with aluminum, with potentially far-reaching ramifications for high-volume industrial applications.
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