US Navy Launches First Biofuel-Powered Aircraft Carriers

The US navy on Wednesday launched its first carrier strike group powered partly by biofuel a mix made from beef fat, calling it a milestone toward easing the military’s reliance on foreign oil.

The maritime branch touted the warships as the centrepiece of its “Great Green Fleet” part of a navy-wide initiative that aims to draw 50% of its power from alternative energy in four years.

For now, the mix fueling the ships is only 10% biofuels and 90% petroleum. The navy originally aimed for a 50-50 ratio, but the cost was too high, though that could change as competition grows in the alternative fuel industry, navy secretary Ray Mabus told reporters.

http://www.theguardian.com/environment/2016/jan/21/us-navy-launches-first-biofuel-powered-aircraft-carriers

US Pacific Fleet/Jeff Troutman

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