A variety of alternative power sources would make the building self-contained.

多种替代能源可使建筑自给自足。

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Vanderbilt University scientist Michael Goldfarb came up with an alternative power source: rocket propellant.

Vanderbilt大学的科学家Michael Goldfarb带给公众一种可选的能量来源：火箭助推燃料。

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Like its South Korean cousin Hyundai, Kia is jumping into the hybrid market with its first alternative power train.

像韩国同胞现代汽车一样，起亚也开始高调进军混合动力市场，并推出了第一款混合动力引擎。

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In the U.S.,electric utilities lead the opposition to copying this rate structure, and to mandating purchases of alternative power.

VOA: standard.2010.03.23

They add the political climate is still risky and anything could happen, but for the moment there is no alternative to the agreement and the power-sharing government it created.

VOA: standard.2009.09.15

More importantly, capital costs remain considerably higher for solar power than alternative power technologies.

FORBES: Why Solar Energy Sucks But May Save Us Anyway

The US Armed Forces continue to make progress in reducing energy consumption and advancing alternative power sources.

FORBES: U.S. Army Dedicates World's Largest Low-Concentration PV Facility

Silent Falcon is the newly-minted name for Bye Aerospace, a company founded in 2008 to create alternative power for aircraft.

FORBES: This Solar-Powered Drone Will Watch You All Day