Russian oil production rose to a post-Soviet record last month, showing how pumping of the nation’s biggest source of revenue has so far been unaffected by U.S. and European sanctions or a price collapse for the commodity. The nation increased output 0.3 percent to 10.667 million barrels a day, according to preliminary data today e-mailed today by CDU-TEK, part of the Energy Ministry. The figure is for crude and condensates, an ultralight oil that yields a greater proportion of high-value fuels. Production averaged 10.58 million barrels a day for 2014, also a post-Soviet record. The U.S. and the European Union imposed sanctions against Russia last year in response to the country’s annexation of Crimea and what they say was support for separatists in eastern Ukraine. Measures included targeting the country’s energy sector by banning exports of some equipment and technology. Russia gets about half of its revenue from oil […]