The second challenge is to abolish the tax-free imports of jet fuel and subsidies, the state no longer control prices;
挑战之二是取消进口航油保税和补贴，国家对价格不再管制；
A small gasoline tax would help free America from its dependence on oil imports and create incentives for green energy development.
少量的汽油税将帮助美国摆脱对石油进口的依赖，并为绿色能源的发展创造动力。
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