| 单词 | 乙醇 |
| 释义 | 乙醇 Not all ethanols are the same. But what if ethanol subsidies go away? But concerns that the floods could tighten corn supplies this year have pushed up both corn and ethanol prices. But the significance of the quarrel goes well beyond ethanol. But this biofuel shares a disadvantage with ethanol: its raw material is food. And when Henry Ford was experimenting with car engines a century ago, he tried ethanol out as a fuel. Engines can run on alcohol, so surplus sugar cane could be used to produce energy. The company hopes to begin ethanol sales in the fourth quarter. In the past few weeks these have been revealed in all their dreadful clarity by an esoteric debate about the tax break for ethanol. Like ethanol, butanol is an alcohol. That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane. Environmentalists reckon that using the ethanol produced over the lifetime of such a plant would cut carbon emissions by75% compared with burning the equivalent amount of petrol. Mr McCain argued that the tariff on imported ethanol of54 cents per gallon should be scrapped. American farmers say that government demand for ethanol is starting to abate, so the impact on maize supplies and prices is more modest now. First, not all subsidies to those in the ethanol biz are direct. What he was sniffing was ethanol. They exposed live ones to either the smell of their dead brethren or an ethanol control. In the meantime, corn ethanol continues to enjoy its subsidies. As a last step in simplifying vaccination, I questioned the need for using alcohol to cleanse the vaccination site. Some policymakers certainly hold out this dream, particularly in the Midwest, where ethanol and biodiesel production is concentrated. Although BP plans to start selling the stuff in the next few weeks mixed with petrol, to start with, the truth is that butanol is not all that much better than ethanol. In Brazil, the world’s most mature market for ethanol, the two firms will pool their retail operations. As a fuel, ethanol has a lower energy density and therefore needs more of it to do the same job. |
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