A higher share of tougher or sour grade crude, which has higher sulphur content, would improve the refining margin of HPCL’s Vizag refinery to $12-14 per barrel from the current average of $8 per barrel.
A higher share of tougher or sour grade crude, which has higher sulphur content, would improve the refining margin of HPCL’s Vizag refinery to $12-14 per barrel from the current average of $8 per barrel.