Light crude oil is more desirable than heavy oil since it produces a higher yield of petrol, while sweet oil commands a higher price than sour oil because it has fewer environmental problems and requires less refining to meet sulfur standards imposed on fuels in consuming countries
Q&A: “What are the implications of a crude (oil) being sour vs sweet?” | Jesse Parent [INFLUENCE]
How does this impact North America’s energy situation? Check out my post above.