Fuel mistake can land you hefty bill and invalidate your car insurance - how to avoid it HUNDREDS of thousands of motorists across Britain are making an error when feeling up their car which would lead to very costly repairs. Here’s how to avoid it. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Scrap ‘broken’ car tax system for pay-per-mile charges in the UKVW ID Buzz - New futuristic electric T2 Camper previewed in latest videoGolf GTI TCR: New Volkswagen won't set fan pulses racingElectric cars - EVs with the longest range based on WLTP REVEALEDCar insurance SHOCK: Surprise thing that can get you cheaper cover than a no claims bonusCar insurance UK: You could slash the cost of your insurance for making THIS simple change