United Airlines has become the first US airline to publicly commit to reducing its own greenhouse gas emissions by 50% by 2050, relative to 2005. The pledge represents the equivalent of removing 4.5 million vehicles from the road each year, or the total number of cars in Los Angeles and New York City combined. The airline will continue to invest in the company’s ongoing environmental initiatives to support this commitment, including expanding the use of more sustainable aviation biofuels, welcoming newer, more fuel-efficient aircraft into its fleet and implementing further operational changes to better conserve fuel. To mark the pledgee, United will operate flight 44 today from its hub in San Francisco to Zurich with the carrier’s most fuel-efficient aircraft—the Boeing 787—via a blend of sustainable aviation fuel supplied by World Energy’s California-based AltAir Fuels. The biojet fuel was made from Carinata seeds from Canadian agri-tech company Agrisoma and […]