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flag Global oil projects now mostly target sour, heavy crude due to dwindling light sweet oil, raising refining and environmental challenges.

flag New oil projects globally are increasingly focused on sour, heavy, or both types of crude, with estimates suggesting around 90% fall into these categories. flag This shift reflects declining access to conventional light sweet crude and growing reliance on more complex, costly extraction methods. flag The trend underscores challenges in refining infrastructure and environmental concerns, as sour and heavy oils require more processing and produce higher emissions.

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