The island of Penang has wide roads, a steady stream of graduates from University Science and an efficient power supply.

槟榔屿有宽阔的道路，源源不断来自科学大学的毕业生，以及高效的电力供应。

youdao

The second fix comes from using more efficient power supplies.

第二个改良方法来自于使用更有效的供电系统。

youdao

So to cut down on energy, the MacBook is equipped with features such as more efficient power supplies and enhanced sleep mode.

因此，为了节能，MacBook装配了更高效的电源和功能更强大的休眠模式。

youdao

"The next thing is to work out how technology can be transferred from rich countries to poor countries and this will involve things like investment in renewable energy, investment in wind power and solar, investment in more efficient power stations,"

VOA: standard.2009.11.04

Technologies including multi-core processor chips, more efficient power supplies and smart cooling systems are already available.

ECONOMIST: Computers and the environment

The difference is, the Eclipse cruises at 370 knots at 41, 000 feet, or 330 knots at the most fuel-efficient power setting.

FORBES: I Love Jets

Energy deregulation in Europe and America allows new firms to set up cheap, efficient power sources (such as fuel cells) close to the consumer.

ECONOMIST: Fuel cells meet big business | The