Some insurers do pay as you drive meaning that you just pay differently according to miles driven. Lower mileage drivers will pay less than high volume drivers. Others are introducing pay how you drive which measures braking, speeding, areas you drive to, cornering and more. In the UK we have the "black boxes" added to cars but the US is about to see a big surge in these types of usage based insurance. Just came back from Chicago insurers conference which said that 9 out of 10 of the main insurers in the US have a telematics policy,