Petrol pump queues

[blue matt]

I’ll make my own diesel up, I remember reading something about it years ago, old sunflower oil etc

Old VW T4's ( and other VAG's that used the same engine ) used to run on Veg oil, at one point I was mixing 50/50 ( others were using 90/10 in the summer ) I could get Veg oil in 20L drums for 60 ( ish ) p a L