In brief: UK top of the league in energy stakes

British firms have taken the top five places in an international league table based on knowledge of world energy laws. Allen & Overy came first for the second year running in the energy finance awards run by Petroleum Economist magazine. Slaughter and May came second, Clifford Chance third, Linklaters & Paines fourth and Herbert Smith fifth. US firms occupied other top 10 positions in the poll of 100 energy companies.