1.   Alternative energy technologies will be successfully diffused only if realistic assumptions are made about the real economic situation in the Third World.

2.   However, I found the short section on conservation and alternative energy sources disappointing.

3.   It is the first form of public transport to be powered by alternative energy.

4.   So, when buying an alternative energy generator what should a buyer look for?

5.   The energy crisis has suddenly made governments show extraordinary interest in investing large sums in research into alternative energy sources.

6.   The energy crisis is fuelling a boom in alternative energy.