Energy efficiency (net energy gain or energy ratio) of corn-based ethanol as a substitute for fossil fuel is an important criteria for assessing its sustainability.
玉米燃料乙醇作为化石燃料的替代品，能量效率(净能量或能量比)是评价其可持续性的一个重要标准。
The method of net energy analysis for fuel ethanol from corn was developed based on principles of life cycle inventory(LCI) analysis.
基于生命周期清单分析原理，建立了玉米燃料乙醇的净能量分析方法。
The methodology of carbon balance analysis for fuel ethanol from corn was developed based on principles of life cycle analysis.
基于生命周期分析原理，建立了玉米燃料乙醇的碳平衡分析方法。
Some critics may argue, cost for producing corn - based (alternative fuel) ethanol is more than the savings incurred.
一些评论家或许会评论，用来生产可替代能源——乙醇的成本比储蓄的资金还要多。
Some critics may argue, cost for producing corn - based (alternative fuel) ethanol is more than the savings incurred.
一些评论家或许会评论，用来生产可替代能源——乙醇的成本比储蓄的资金还要多。
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