直至2007年，杜邦通过提高能源效率，每年能节省22亿美元，这与其当年公布的总利润相当。
By 2007, DuPont was saving $2.2bn a year through energy efficiency, the same as its total declared profits that year.
在过去20年，加利福尼亚州和日本的提高能源效率的项目都表明，通过共同努力是能取得卓越成效的，这也往往让消费者节省很多金钱。
Energy efficiency programs in California and Japan during the past 20 years have shown the remarkable gains that can be achieved with concerted effort, often at large savings to consumers.
也就是到了2020年，欧盟对二氧化碳的减排程度将达到1990年水准的20%；从再生能源中将提取20%的各种能源；并且提高能源效率而节省20%的开支。
By the year 2020, they would cut Europe's carbon emissions by at least a fifth over 1990 levels; derive 20% of all energy from renewable sources; and make energy-efficiency savings of 20%.
该报告只计入了提高能源使用效率很长时间后节省的能源将超过初始成本，但没有考虑削减能源消耗为环境带来的潜在利益。
The report included only efficiency improvements whose long-term savings would outweigh the initial costs. It did not consider the potential environmental benefits of cutting energy use.
提高能效的方法通常可以节省的能源跟那些更加夺目的努力所创造的一样多，却只需要花费十分小的代价。
Efficiency measures can often save as much power as the more glamorous efforts can produce, at a fraction of the cost.
第五能源既采取一定的节能措施，降低能源的损失和浪费，提高能源的利用率而节省下来的能源。
While the fifth energy is those saved by the proper measures to reduce energy loss and cost and advance the energy using ratio.
智能电网可望节省能源、降低成本、提高能效、降低美国对外国石油的依存度并促进可再生能源的利用。
The Smart Grid is expected to save energy and consumers' money and reduce America's dependence on foreign oil by improving efficiency and spurring the use of renewable energy.
对这部分不同温度的余热采用不同的技术进行回收，可以节省能源，提高能源总利用率。
If the residual heat with different temperatures is recovered by different appropriate techniques, it will surely save much more energy thus to improve the total energy's utilization ratio.
对这部分不同温度的余热采用不同的技术进行回收，可以节省能源，提高能源总利用率。
If the residual heat with different temperatures is recovered by different appropriate techniques, it will surely save much more energy thus to improve the total energy's utilization ratio.
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