Does premium fuel give better mpg?

Related questions

1. Are BMW's reliable?
2. Do turbocharged engines last longer?
3. Is an Infiniti expensive to maintain?
4. Is turbo engine better?
5. Are Volvo's expensive to maintain?
6. Is the a problems with Ford Ecoboost engine?
7. How much does an Infiniti cost?
8. Which Subaru is better Forester or Outback?
9. Are Subaru expensive to maintain?

Tags

1. #midgrade
2. #designed
3. #little
4. #powerful
5. #gives
6. #better
7. #minimize
8. #preignition
9. #helps
10. #higher
11. #inside
12. #premium
13. #stressed
14. #performance
15. #engines
16. #octane
17. #produces
18. #burnt
19. #engine
20. #rating
21. #because
22. #large
23. #mileage
24. #regular
25. #cylinders
26. #highly
27. #power