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:UK potholes news: New car tech tells you where potholes are and how to avoid themCar tax rules 2017: How new rules coming into force on April 1 could affect YOU…Using your mobile phone while driving? Penalty fine set to spiral under new lawFerrari 812 Superfast - Meet the fastest and most powerful Ferrari ever - FIRST LOOKDiesel cars aren't dead despite government crackdown: Used cars hit record highIs this the car of the future? Self-driving car running off household waste