New Delhi, May 15 -- The Union finance ministry on Friday imposed an export duty on petrol of Rs.3 per litre, showed a notification from the department of revenue.

However, it lowered the levy on the export of diesel and jet fuel to Rs.16.5 and Rs.16 per litre, respectively. The new rates will come into effect on Saturday.

The last such revision was undertaken with effect from 1 May when the government had lowered the export duty on diesel to Rs.23 per litre, on jet fuel to Rs.33 per litre and that of petrol was nil.

While India is a net importer of crude oil and imports worth about $121 billion annually, it also exports petroleum products such as petrol, diesel and jet fuel worth about $45 billion.

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