I just paid 70 for a weeks worth of petrol. GULP

Here’s the receipt for the tank of fuel I put in this morning. It’s actually 2 CHEAPER than it should’ve been because I had a voucher to save 2p on every litre. I’m going to have to start looking at a Diesel motor soon, especially as I do mostly “extra urban” (motorway) journeys. My car is doing roughly 36mpg, but a diesel should give me 50-65mpg. Unfortunately, although I don