Bloomberg: Australia’s carbon trading system may be delayed for two years until 2012 amid opposition to the plan by the opposition party and the Australian Greens, Citigroup Inc. said. The Liberal-National opposition may call for a later start and for more free permits for emissions-intensive industries that face overseas competition, Sydney-based analyst Elaine Prior said in a March 10 report. The Greens favor tougher targets and fewer free permits to industry, and are unlikely to soften their …