environment-friendly energy source 绿色能源
environment-friendly energy and chemical industry 环境友好型能源化工产业
Biodiesel is a kind of renewable and environment-friendly energy.
生物柴油是一种可再生的绿色环保型能源。
Natural gas is a high-quality and environment-friendly energy source and fuel, and its percent in primary energy constituent in the world is more and more increasingly.
天然气是一种优质的环保型能源和燃料，它在世界一次能源结构中的比例逐年上升。
When completed, the stations along the Qinghai-Tibet Railway will use environment-friendly energy sources such as electricity, solar energy and wind energy for heating.
建成后的青藏铁路各车站，取暖使用以电能、太阳能、风能为主的环保型能源。
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