GM Expects 40% Mileage Boost from Two-mode Hybrid SUVs
General Motors (GM) said Tuesday that it now expects 40% better fuel economy in city driving from the gasoline-electric hybrid versions of its full-size SUVs than their gasoline-only counterparts, giving the hybrid Chevrolet Tahoes and GMC Yukons 19 or 20 miles a gallon in stop-and-go driving.
That's up from earlier forecasts of a 25% improvement and would give the big SUVs better mileage than some mid- and full-size, gasoline-power family sedans. It also would be better than so-called crossover SUVs that are stealing sales from truck-based SUVs such as Tahoe because crossovers typically use less fuel.
The Tahoe and Yukon, due in showrooms in the fall, will be the first full-size gasoline-electric hybrid SUVs. The so-called dual-mode hybrid system was jointly developed with Chrysler Group and BMW, which plan to offer it in vehicles next year. GM will offer it next year on Cadillac Escalade, then on Chevy and GMC full-size pickups. Saturn models will get a version later.
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