So plants with CCS will need to be at least a third bigger than normal ones to generate the same net amount of power, and will also consume at least a third more fuel.
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。
3
In the third quarter American reported a net profit of $114m (excluding charges related to hedging its fuel bill), compared with a loss of $95m in the same quarter last year.