But, according to PetrolPrices, drivers in Oxfordshire can find the cheapest fuel at Tesco on Lakeview Drive in Bicester, where unleaded petrol is currently 149.9p. Closer to Oxford drivers can find the cheapest fuel at Sainsburys on Oxford Road in Kidlington, where unleaded currently sits at 154.9p. Other cheap options for unleaded and diesel petrol include Tesco petrol station on Marcham Road in Abingdon, VALERO petrol station on Welch Way in Witney, and Gulf petrol on Buckingham Road in Bicester. The RAC's head of policy, Simon Williams, attributed the increase to oil prices nearing $100 per barrel. He said: "Fuel prices are shooting up like a rocket on the back of oil being above $90 for the last days."