Last Friday, China announced plans to become the world's largest producer of electric cars. The Chinese government will invest $1.46 billion in consumer subsidies for electric cars, just as Washington is ploughing $25 billion into flagging Detroit automakers. With doubts looming over China's enthusiasm for the tough upcoming Copenhagen climate negotiations, and with China set to displace the United States as the country with the largest auto fleet by 2025, this commitment to electric cars has vast implications for climate change, energy, and global geopolitics.

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