Times: ROYAL Dutch Shell, the world’s second-largest oil company, has threatened to stop investing in Europe if it is forced to pay for emissions permits that have previously been free. Christian Balme, a Shell France director, told the European Parliament that if the EU moved towards a system in which emission quotas were auctioned, it would destroy Shell’s profitability in Europe. In January, the European Commission announced proposals aimed at slashing EU emissions of CO2 by 20 …