Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.
因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。
When we prevent physical waste, increase energy efficiency or improve resource productivity, we save money, improve profitability and enhance competitiveness.
当我们防止物质的浪费、提高能源效率或提高资源生产率时，我们就节约了资金、提高了盈利能力并增强了竞争力。
By 2007, DuPont was saving $2.2bn a year through energy efficiency, the same as its total declared profits that year.
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 $2.2 billion a year through energy efficiency, the same as its total declared profits that year.
到2007年，杜邦公司通过提高能效一年节省22亿美元，和它那年公布的总利润一样多。
But energy efficiency will be the key.
但是能源效率将是关键。
The technology also promises energy efficiency because it would only power products when needed.
该技术同时承诺提高能源效率，因为它仅在产品需要时供电。
Evaluating the energy efficiency of a product or a service is another complex task.
另一项复杂工作是评估产品或服务项目的节能效益。
Energy efficiency is also proving a win for some vendors inhouse.
能源效率也证明了一些内部供应商的胜利。
We must invest in green technology and better energy efficiency to tackle both problems.
我们应该在绿色技术和高效能源领域投入更多来解决这两个问题。
Air quality and energy efficiency have been outweighed by reverence for the car.
对汽车的推崇，远远胜过了对空气质量和能源效率的关心。
Energy efficiency can be improved very quickly.
能源效率可以很快提高。
Yet improvements in energy efficiency mean dependence on oil is not what it once was.
由于能源效率的提高，目前对石油的依赖性没有以前大了。
“The further you go the harder it gets to increase energy efficiency, ” Xie said.
“要想更进一步，我们必须更加艰难的提高能源效率”，解先生表示。
You probably look at energy efficiency labels before buying a new laptop.
可能你会在购买新笔记本电脑时先看看能源效率。
The program certifies hundreds of consumer products for energy efficiency.
该计划对数百种消费产品的能源效率进行认证。
Contributing to meeting Europe's energy efficiency targets for 2020.
有助于实现欧洲2020年的能源效率目标。
Many greens pin their hopes on energy efficiency.
许多环保人士寄希望于能源高效。
One scenario included the IEA's proposed energy efficiency measures, while the second did not.
一种情况采用国际能源机构提议的能源效率措施，而第二种情况则没有。
The project will focus on wind, solar, hydro, geothermal power and industrial energy efficiency.
该项目的重点是风力、太阳能、水力、地热能发电和提高工业能源效率。
Technology has done more than improve energy efficiency.
科技带来的可不单是能源效率的提高。
Increasing energy efficiency makes our ships, aircraft, and vehicles more tactically capable.
提高能源的效率可以提升我们船舶、飞机以及车辆的作战能力。
Policy should encourage energy efficiency and support research into alternative fuels.
政策应该鼓励提高能源使用效率并支持可替代燃料的研发。
The goal of the project is driver safety and energy efficiency.
该项目的目标是保障驾驶者的安全和节约能源。
I saw energy efficiency technologies that will help us to tackle climate change.
那里的节能技术将有利于我们更好地应对气候变化。
The computer itself featured groundbreaking advancements in energy efficiency, shock resistance, and connectivity.
这些电脑本身拥有节能、抗震以及可联网等突破性的改进。
The computer itself featured groundbreaking advancements in energy efficiency, shock resistance, and connectivity.
这些电脑本身拥有节能、抗震以及可联网等突破性的改进。
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