What is the most efficient source of energy available?

Question

State The Following :

1 : Answer

2 : Reason

3 : Any Othe Relevant Information

Answer 1

The followings provide the answer, reason, and relevant information in terms of various kinds of sources of energy from coal to nuclear, comparison and contrast its efficiency and costs, and reasons for why and to use it adequately in different spots of this world.

http://www.nucleartourist.com/basics/why...

Answer 2

I would think it would be solar, but, go over to

http://www.goinggreenresources.com/ to check for sure.