Turns out, hybrid cars save lives as well as gas: a boon for those who already own them, undoubtedly.
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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.
General Motors has been playing magic tricks on the public.
GM's new trucks earn five stars in crash evaluations, beating out key rivals.