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GM to move Tahoe and Yukon to light platform, more hybrid variants

You know it’s really sad that it took gas-prices reaching an average of $4 a gallon for such moves to take place, but like they say; better late than never. According to source, GM is considering shifting its two big gas-guzzling SUVs, the Chevrolet Tahoe and the GMC Yukon, to a lighter and more fuel-efficient platform.
While the future of other big SUVs like the Cadillac Escalade and Chevrolet Suburban are unclear, it is possible that all will be produced in very limited numbers using alternative fuel-efficient powertrains to offset the rising gas-prices.