Sweet vs Sour Crude – Differences, Sulphur Content & UPSC GS3 Notes

Context

India’s trade delegation visit to the U.S. (Feb 23–25) for an Interim Trade Agreement was postponed. The deal would influence India’s import tariffs, including U.S. crude oil (≈10% of India’s oil imports).

Sweet vs Sour Crude

Sweet Crude

  • Low sulphur content (<0.5%)
  • Cleaner burning
  • Cheaper to refine
  • Usually costlier in market due to demand

Sour Crude

  • High sulphur (>1%)
  • Requires more refining
  • Cheaper to buy but costly processing
  • Contains more impurities

Previous Year Question (2011)

“Brent crude oil” refers to:

  1. Major classification of crude oil
  2. Sourced from North Sea
  3. Does not contain sulphur

Correct Answer: B (1 and 2 only)

PYQ – 2024, Ans – D
PYQ – 2011, Ans – B
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Sweet vs Sour Crude – Differences, Sulphur Content & UPSC GS3 Notes

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