| http://www.w3.org/ns/prov#value | - Biofuels Digest also reports that alternative fuels, including biofuels, have performed better than their conventional counterparts when tested on Navy aircraft.Biofuels and sustainable aviationDeveloping a commercial market for biofuels is one part of the sustainability equation, and United is doing its part with a pledge to negotiate for more than 50 million gallons of biofuel.Conservation is an
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