There are many who argue that corn ethanol should replace fossil fuel gas as the primary source for running cars.
许多人认为,玉米乙醇应该取代化石燃料气体,成为汽车的主要燃料。
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Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels—30% each for coal and oil, 25% for natural gas.
Global primary energy demand will remain overwhelmingly dominated by fossil fuels, with coal, oil and gas accounting for 82 percent in 2030 (currently 81 percent).