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AUBURN HILLS, Mich., Dec. 9, 2011 -- /PRNewswire/ -- Pentastar 3.6-liter V-6 cited for exceptional fuel economy, emissions and power Chrysler's Pentastar engine once again recognized by the editors of Ward's Automotive as one of the "Ten Best Engines" for 2012 Chrysler's workhorse V-6 now available in many Jeep®, Chrysler, Dodge passenger cars and SUV's for 2012 Mated to new eight-speed transmission, 3.6-liter V-6 engine delivers 31 mpg on the highway with Chrysler 300and Dodge Charger New 2012 Jeep Wrangler boasts improved fuel economy with 40 percent increase in power with Pentastar V-6 engine Chrysler Group's Pentastar 3.6â��liter V-6 engine once again has been recognized by the editors of Ward's Automotive as one of the "10 Best Engines". "Every year, Ward's Automotive recognizes the industry leaders in engine technology," said Drew Winter, editor at Ward's Automotive. "Chrysler has success