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Photos: Peering into energy's future

March 7, 2008 4:00 AM PST
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Volvo's display of seven carbon-neutral Mack trucks took up an entire row of the WIREC 2008 show floor. The hybrid Mack dump truck can save between 25 percent and 30 percent on fuel costs.

The company's goal is to cut energy consumption 50 percent per truck by 2010 from 2003 levels, Sundgren said.

Photo by Martin LaMonica/CNET Networks

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