Power came from the sun. Water was cleaned and re-used.

VOA: special.2010.05.30

The speech is proceeding rather smoothly and, I think, kind of explicably as the Lady defends the sun-clad power of chastity.

我认为演说进行的相当顺利，当女士维护贞节如太阳一般的力量时，听上去是可解释的。

耶鲁公开课 - 弥尔顿课程节选

And he stresses that it should reduce the cost of generating power from the sun.

VOA: standard.2010.02.19

With a solar powered sail and using the sun and wind to power the batteries, the purpose of the mission is to show that renewable energy works.

VOA: standard.2009.12.10

A new way of making solar cells promises a cheaper way to generate electricity from the sun and new ways to integrate solar power into other products.

VOA: standard.2010.02.19

"For the very first time, a large-scale solar power plant, the largest of its kind in the entire nation, will deliver electricity produced by the sun to the citizens of the Sunshine State.

VOA: standard.2009.10.27