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Automakers examine future of transportation in a 'green' light
Acknowledging the social and environmental toll it has taken over the past century, automakers and energy companies on Tuesday recommended ways to make the automobile cleaner, safer and more manageable as its global reach is extended. [participants: General Motors, Ford, DaimlerChrysler, Honda, Nissan, Renault, Toyota, Volkswagen, BP, Hydro, Shell, Michelin]