The U.S. Navy has announced that it will buy 450,000 gallons of biofuel to power a fleet of supersonic jets housed on an aircraft carrier. The algae-based biofuel—which will be mixed with regular gas—is considerably more expensive than traditional fuel at $15 per gallon. But the purchase is part of a Navy plan to get half its fuel from alternative sources by 2016, and President Obama’s initiative to boost biofuel production. The U.S. Marine Corps has also made inroads into renewable energy in an effort to reduce dependence on supply lines.
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