Petrol price WARS: Asda vs Morrisons vs Tesco - how much will petrol prices go DOWN? PETROL prices are set to decrease tomorrow according to supermarket bosses, but how much will prices fall by? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Mercedes-AMG GLC 63 S 4MATIC+ SUV and Coupe price and launch date REVEALEDElectric cars NEWS - Overhead vehicle chargers could be coming to motorways soonElectric cars explained - What’s the difference between a hybrid, plug-in hybrid and EV?Volvo XC40 2017 - UK price, launch date and all you need to know about the upcoming SUVCar dashboard warning lights – Do you know what these vital symbols mean?Audi Q2 2017 UPDATE - Awesome new version added to the line-up