Export duty on diesel, ATF hiked with petrol unchanged

📌 Summary:

• In its latest fortnightly review, the government (late on June 15, 2026) raised the export duty on diesel to ₹14 per litre and on aviation turbine fuel (ATF) to ₹12.5 per litre, while keeping the levy on petrol unchanged at ₹1.5 per litre
• The revised rates apply for the fortnight commencing June 16, 2026
• These special additional excise duties (often called "windfall taxes") are reviewed every fortnight based on international crude and product prices
• Raising export duties on diesel and ATF aims to retain more refined product within India and capture refiners' margins for the exchequer when global cracks/prices rise, while leaving petrol untouched

🎯 UPSC Relevance: GS3 (Indian Economy) — fiscal policy, taxation of petroleum products, and the use of duties to balance domestic supply and revenue

📝 Prelims Facts:

• Export duty (from June 16, 2026): diesel ₹14/litre; ATF ₹12.5/litre; petrol unchanged at ₹1.5/litre
• These are special additional excise duties ("windfall tax") reviewed fortnightly
• The windfall tax on crude and fuel exports was first introduced in July 2022
• ATF = Aviation Turbine Fuel (jet fuel)

🔑 Key Term: Windfall tax — a special additional levy imposed on companies that earn unusually high ("windfall") profits, here on petroleum refiners/exporters when global fuel prices spike