My local station today
diesel = 121.9p
petrol = 108.9p
If this trend continues the next van i get will be petrol without a doubt (if possible, now they've all been converted onto diesel engines). At this rate we could see a reverse of trend where the petrol engine is the one sought after & commanding a higher re-sale price!
All things considered, you would have to do some serious mileage in a diesel just to break even with such a difference in fuel price.
Tony