Solar energy is a low carbon energy source.

太阳能是一种低碳能源。

Hydropower is a clean energy source.

水电是一种清洁能源。

LPG is a clean energy source.

液化天然气是一种清洁能源。

Marsh gas is a renewable energy source.

沼气是一种可再生能源。

Waterpower is a renewable energy source.

水力是一种可再生能源。

Biofuel is a renewable energy source.

生物燃料是一种可再生能源。

Natural gas is an important energy source.

天然气是一种重要的能源。

Hydrogen can be used as a clean energy source.

氢气可以用作清洁能源。

The main energy source in this area is hydropower.

这个地区的主要能源来源是水电。

Scientists are researching nuclear fusion as a potential energy source.

科学家们正在研究核聚变作为潜在的能源。