źródło energii alternatywnej

This will provide an alternative source of energy for those in the community.

I think we really need to put more into other alternative sources.

He wrote several books on nuclear power and alternative energy sources.

An alternative source gives the production total of the K70 as 211,127.

Wind power has been the leading alternative energy source in recent years.

He has put this into practice by using alternative energy sources for his official car.

Almost certainly alternative sources of income played an important part.

There are no such alternative sources of income at present.

We'll even review alternative energy sources to improve your home.

But now there are alternative sources of entertainment after dark.