Late Friday, authorities decided to raise the price of 90-octane gasoline from JD0.70 per litre to JD0.77, a 10 per cent rise, and the price of diesel from JD0.515 per litre to JD0.550. The price of 95-octane gas, which used to be sold at JD1 per litre, also went up by 1.5 per cent or 15 fils.