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1·In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.

在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。

2·Unleaded gasoline rose more than a penny a gallon.

无铅汽油每加仑涨了1分多。

3·The retail price of unleaded gasoline has fallen by just 13% over the same time period.

无铅汽油的零售价在同期只下跌了13%。

4·As an important octane booster in unleaded gasoline, the need for ethers becomes more and more.

醚类作为重要的高辛烷值调和组分，需求量日益增加，醚化催化剂的研究也越来越活跃。

5·Levying a tax on leaded gasoline is an important policy to implement the use of unleaded gasoline.

征收含铅汽油税是实行汽油无铅化的一项重要政策。

6·It runs on premium unleaded gasoline, which is both cheaper and more environmentally friendly than jet fuel.

它以优质无铅汽油燃料，不仅比飞机燃料更便宜，也更环保。

7·The quality transition of vehicle - use unleaded gasoline during storage and transportation is studied.

介绍了车用无铅汽油在储运过程中的质量变化情况。

8·An alternative ethanol fuel blend consists of 85 percent ethanol, and 15 percent unleaded gasoline (E85).

的乙醇与15%的无铅汽油混合就形成了另一种非传统性汽油燃料(e85)。

9·Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.

甲基叔丁基醚(MTBE)作为一种新型的无铅汽油添加剂被广泛应用以减少含铅汽油对空气的污染。

10·That includes using unleaded gasoline, solar energy and alternative fuel vehicles, including plug-in hybrid and hybrid electric vehicles.

这包括使用无铅汽油，太阳能及可充电混合型与混合电力型等替代能源车辆。