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In a trio of exclusives for Saturn at the North American International Auto Show, Saturn introduced what is expected to be the world's most fuel-efficient V-6 SUV; the industry's first plug-in hybrid electric production vehicle; and the North American debut of a plug-in electric concept that achieves up to 34 miles of all-electric, emissions-free propulsion. Arlene Santana was on hand in Detroit for the Green Debuts.