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Nissan Leaf scores second place, but Chevy Volt only makes No. 12 on annual list put together by American Council for an Energy-Efficient Economy.
CNET Car Tech posts photos of ACEEE's 12 greenest cars of 2008.
Smart-grid stimulus money was heavy on hardware, but utility industry groups are now focusing on giving consumers energy management tools that promote efficiency.
But they don't want the government dictating standards for their own products, thank you very much, touting their existing commitments to being the "greenest."
CAFE standards are set to double by 2025, a fuel economy mandate which will push automakers to adopt more efficient engines, start-stop hybrids, and hybrids.