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Carmageddon Carbon Impact

Matt Sledge

'Carmageddon' Could Curb Carbon Dioxide Emissions -- Or Cause Them To Climb

HuffingtonPost.com | Matt Sledge | Posted 09.14.2011 | Los Angeles

On an average July weekend, 500,000 cars drive on I-405 in the Sepulveda Pass. But this is no average weekend: "Carmageddon" has descended on Los Ange...