Why is Western Canadian oil so cheap?

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Tags

1. #heavy
2. #cheap
3. #barrel
4. #intermediate
5. #because
6. #transported
7. #steam
8. #difficult
9. #longer
10. #distances
11. #alberta
12. #times
13. #sands
14. #costs
15. #midwest
16. #texas
17. #refineries
18. #mined
19. #extracted
20. #normal
21. #refine
22. #crude
23. #american
24. #coast