In the year that sees the 70th anniversary of the outbreak of the Second World War, a previously untold story has emerged of how, through a "miracle" chemical breakthrough, Spitfire and Hurricane fighters gained the edge over German fighters to win the Battle of Britain. An American scientist and author has claimed that the famed pair of war-winning aeroplanes gained superior altitude, manoeuvrability and rate of climb by a revolutionary high-octane fuel supplied to Britain by the USA just in time for the battle. Books, documentaries, and movies have chronicled the brilliant contribution of UK designers and engineers behind the...