Recent disputes among the many national and regional players in the emerging biofuel/jet fuel markets may slow acceptance and development of hese promising alternatives to fossil fuels. The European Union’s emissions trading system (ETS) seems to be central to contentions by China and the United States. The scheme would impose caps on carbon emissions from airlines flying into Europe, unleashing charges from China that the proposed rules discriminate against carriers from developing countries. A one cent per liter tax on jet fuel, part of the system, is at least partially responsible for the international dispute. According to Flight Global, “The airlines likely to be involved are the nation’s flag carrier Air China, China Southern Airlines and China Eastern Airlines, said an official from the China Air Transport Association.” America has weighed in with court challenges from American Airlines and United Continental, represented by the Air Transport Association (ATA), and Congress has added its voice, opposing what it perceives as European threats to American sovereignty and defending domestic jobs, which it …