General Motors is leaner and meaner, but is it greener?
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The all-new 2014 GMC Sierra has undergone specific design changes to boost both fuel efficiency and interior quietness, after spending a major portion of its development time in a wind tunnel.
Over the past decade or so, the big three truck makers (Ford, Chevrolet, and Chrysler) have seen towing capacity skyrocket to never-before-seen levels.
The GMC Terrain has been one of GMC's best-selling vehicles since its inception back in 2010 and the Detroit-based auto maker is looking to continue that trend.