Renault says it warned Formula 1 rivals a long time ago that there could be a problem with the weight limit of next year's cars, but its concerns were ignored.Amid a likelihood that an increase in the minimum weight of F1 cars from 642kg to 690kg will not be enough...

An updated version of Formula 1's 2014 technical regulations has now been issued. While the original rules were published over 18 months ago, the new amendments incorporate rule changes approved by the FIA World Motor Sport Council before the British Grand Prix.Outlined below are the most significant changes, which could...