From the same article:
Quote:
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Here are the relevant data points: The two-mode hybrid Tahoe returns an EPA estimated fuel economy of 21 miles per gallon in the city, 22 mpg highway; the 4x4 version gets an even 20/20, city/highway. The company and its various choristers -- such as the Green Car Journal, which recently named the Tahoe Hybrid "Green Car of the Year" -- are pleased to point out that represents up to a 50% improvement of in-city fuel economy over the non-hybrid Tahoe.
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Those numbers leave me very confused. What?