Another model, the "Oorja", developed by BP and the Indian Institute of Science, has an integrated battery-powered fan to direct air to wood pellets in the combustion chamber, improving efficiency.

另一个模型，“Oorja”，由BP和印度科学院开发，拥有一个内置的电池驱动风扇来使空气对准燃烧室内的木球，从而提高效能。

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Whenever the engine is shut down, auxiliary functions, such as the power steering, air conditioning and lighting, remain unaffected because these are electrically powered by the battery.

当发动机关闭，辅助功能，如动力方向盘、空调、照明、保持不因为这都是这种电动由电池。

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This aircraft is battery powered, very quiet and can stay in the air for 20 minutes per sortie.

该机由电池供电，非常安静，每次可滞空20分钟。

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Now the search giant is taking to the air, sponsoring the Green Flight Challenge, a competition to develop battery-powered aircraft.

FORBES: Google Pushes Electric Planes In Green Flight Challenge