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Play Regeneration Road! Brake To Increase Power!

Buick’s innovative eAssist Technology improves your vehicle’s fuel efficiency by adding a compact electric motor and state-of-the-art lithium-ion battery to a 2.4L four-cylinder ECOTEC engine, improving fuel economy by an estimated 25%. The 2012 LaCrosse and Regal are the first vehicles available with eAssist Technology.

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