United Airlines further strengthened its emerging reputation as the world's most environmentally conscious airline by renewing its contract with Boston-based World Energy, agreeing to purchase up to 10 million gallons of cost-competitive, commercial-scale, SAF over the next two years. The biofuel, which United currently uses to help sustainably power every flight departing its Los Angeles hub, achieves a greater than 60% reduction in greenhouse gas emissions on a lifecycle basis. United's contract renewal follows the airline's original purchase agreement in 2013, helping United make history in 2016 when it became the first airline in the world to use sustainable aviation biofuel on a continuous basis. United is currently the only U.S. airline to use biofuel in its regular operations. World Energy's biofuel is made from agricultural waste and has received sustainability certification from the Roundtable on Sustainable Biomaterials.
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