THE PRICE of petrol has shot up by around 12 cents a litre in the last 20 days. According to state broadcaster yesterday, the latest price hikes were announced by Petrolina and Lukoil. In the most recent rise Petrolina announced an increase of 4.0 cents for unleaded petrol while Lukoil announced a 1.5 cents increase in unleaded petrol (95 Octane) and 4.0 cents for unleaded petrol (98 Octane).