GM has redesigned its full-size SUVs, and they are more fuel-efficient than ever.
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General Motors is leaner and meaner, but is it greener?
Toyota triumphs, Lexus leaps ahead to finish first, and Ford falls in J.D.
If the early and mid-2000s were characterized by large, thirsty SUVs, then the last few years have been the age of smaller SUVs and crossovers.