How do sharklets reduce fuel consumption?

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Tags

1. #consumption
2. #capability
3. #block
4. #depending
5. #factors
6. #operating
7. #missions
8. #lower
9. #blended
10. #airline
11. #routes
12. #other
13. #cargo
14. #reducing
15. #payload
16. #airplane
17. #percent
18. #range
19. #winglets
20. #instead
21. #design
22. #costs
23. #increase