How to refuel when driving in the UK ?

Fuel Summary: The price of oil in the UK is in line with international prices, with gasoline costing about 0.50 pounds per liter and diesel slightly cheaper. Most gas stations are self-service and accept cash or credit card payments. Local fuel terms: Gas station: petrol station / gas station Gasoline: petrol / unleaded Diesel: diesel How to distinguish between diesel and gasoline: The diesel pump is black, and the unleaded pump is green. Fueling machine instructions: It is usually self-service. The fueling process is simple: park the car, select the pump, pay inside the store, and both cash and card are accepted. Some gas stations allow credit card settlement at the pump, usually only accepting chip cards. Fueling precautions: Prices vary at different gas stations, with fueling at highway service areas relatively more expensive. Typically, gas stations at large supermarkets are the cheapest. Recommended local gas station: Shell has relatively cheap prices and good service.