Driver WARNING - Petrol and diesel prices could rise over 140p per litre PUMP prices for diesel and petrol cars are already at a three and half year high but experts warn that they could rise to 140p per litre. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:REVEALED: Diesel cars 'pump out more than TWICE the levels of pollution of trucks'Mazda CX-5 - UK Price, specs and release date revealedVolkswagen Golf GTE: New 2017 hybrid now on sale in the UK - price, specs and picturesMercedes AMG GLC 63 - Dynamic Porsche Macan rival unleashedParking fine UK - Here’s where you are most likely going to get a ticketDiesel price: Biggest monthly fall in more than a YEAR, figures show