What is the most efficient form of energy?

Related questions

1. What is the most efficient way to make electricity?
2. What is the cheapest source of energy?
3. What are examples of clean energy?
4. What are the 17 development goals?
5. Why is renewable energy not used?
6. What are the 5 sources of electricity?
7. What is sustainability and why is it important?
8. What is the most common method of producing electricity?
9. Why is renewable energy so expensive?
10. Why is affordable and clean energy important?

Tags

1. #creates
2. #energy
3. #spectrum
4. #efficiency
5. #retains
6. #converted
7. #fossil
8. #efficient
9. #inputs
10. #produced
11. #other
12. #electricity
13. #fuels
14. #original
15. #results
16. #actually