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  • Volvo using software to add fuel economy to powerful engineadd to reading list  

    Posted on May 18, 2012 at 10:01 AM

    Updated Friday, May 18 at 10:39 AM

    Most of us would like more powerful cars, but don't want to sacrifice fuel economy. Volvo and a performance company called Polestar are making that a reality by using software.

    By TOM VOELK / KING 5 News

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