Our interactive petrol prices map has recently been added in a blog post on the easyCar (car rental provider) website, where they also have a nice infographic showing prices around Europe.  http://www.easycar.com/blog/petrol-prices-map
We hope that easyCar users find the map useful - when hiring a car in an unfamiliar place we'd certainly recommend looking at our map of petrol stations to find the best local place to fill up, and find out what your fuel costs might be. Read more »