Government has imposed a Special Additional Excise Duty (SAED) of ₹3 per litre on export of petrol, with effect from May 16. The SAED on diesel exports, however, has been trimmed to ₹16.5 per litre from ₹23 at present, and the same on aviation turbine fuel (ATF) has been reduced to ₹16 from ₹33 a litre.