General Motors is leaner and meaner, but is it greener?
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We take a look at the just unveiled 2015 GMC Yukon Denali and Yukon XL, and drive the Sierra Denali with the new Ecotec3 6.2-liter engine.
General Motors has been playing magic tricks on the public.
Rearview cameras are becoming commonplace in vehicles built today, especially since there's a lot more sheetmetal and a lot less window than there used to be.