Petrol prices 'set to ROCKET' – but diesel drivers could be even worse off PETROL prices are set to rocket by up to 8p a litre in the next few weeks, experts predicted. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Parking loophole that lets anyone park on your driveway could be closed by new lawVauxhall Combo Life 2018 REVIEW - Road test, price, specs and impressionsNew diesel car prices slashed by up to £17,000 in the UK - but should you buy them?Tesla launches its “most substantial update yet” for Model S, X and 3: Here’s what changedChild car seat WARNING - A fifth of parents risking £500 fine for common errorCar value rip-off as more than HALF of sellers losing money on old motors