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Earlier this month, we posted how Americans have adjusted to the $4+ a gallon gasoline prices to the point they're buying so-called "gas guzzling" mid to full-sized SUVs at steady numbers.
General Motors is expanding the powertrain offerings of its Chevrolet Silverado and GMC Sierra pickup trucks.
GMC has introduced a mobile app for the Apple iPhone and other Android phones enabling users to shop, research, and configure a GMC vehicle.