1.   A brisk black market trade has been selling petrol products at twice the normal rate.

2.   A month ago, Nepo kicked off a campaign to promote the use of lower rated petrol products in order to save valuable foreign exchange.

3.   Hop Shing Fat and its subsidiaries sell petrol products in Hong Kong and on the mainland.

4.   The government also introduced rationing of petrol products to deter motorists from forming long lines at filling stations.

5.   Refineries and retail outlets for petrol products have deliberately run down reserves over recent months.