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The US Navy’s biofuel dilemma – Great Green Fleet sails into controversy

A recent US Navy demonstration during the ongoing Rim of the Pacific (RIMPAC) 2012 exercises in the Pacific saw an entire aircraft carrier strike group run exercises using biofuels and other eco-friendly energy sources. But the navy’s biofuels push, headed up by Secretary of the Navy Ray Mabus, has recently come under fire from powerful detractors. Rowan Watt-Pringle finds out what the 'Great Green Fleet' symbolises in terms of innovation, energy security and environmental benefits.

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