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The automaker plans to use the electric- drive architecture that underpins the Volt for other models.
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The automaker has also said it will use the electric- drive architecture that underpins the Volt for other models, potentially including a more expensive Cadillac.
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It's based on the same Holden-built rear-wheel- drive architecture GM will use in the 2009 Camaro and has the same engine block as the, ahem, Suburban.