Does Eco mode actually save gas?

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Tags

1. #engine
2. #driving
3. #optional
4. #standard
5. #rubber
6. #instead
7. #performance
8. #transmission
9. #restricts
10. #system
11. #favor
12. #automatic
13. #sonata
14. #active
15. #included
16. #rather
17. #saving
18. #economy
19. #limited