Hicks couched the new push under Biden in similar language, saying electric vehicles will expand military capabilities but also come with technical hurdles that will require help from civilian industry. He said reducing dependence on oil would mean fewer risky fuel convoys on the battlefield and give the U.S. Mabus, a former Democratic governor of Mississippi, had set a goal in 2009 that the Navy and Marine Corps would get 50% of their fuel from alternative sources by 2020. But dropping oil prices and limited supplies of the alternative fuels left the Great Green Fleet with limited reach when President Barack Obama left office in 2017.
Under Navy Secretary Ray Mabus, the service spent about seven years trying to adapt ships and aircraft to run on domestically supplied biofuels - which are made from plants such as corn and animal fat and waste such as manure - instead of conventional fossil fuels. The proposed shift echoes the Navy's Great Green Fleet plans a decade ago under the Obama administration, which was similarly focused on reducing greenhouse gases and climate change. The Army has more than 242,000 tactical wheeled vehicles such as the Humvee, according to the Government Accountability Office.
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