Business Green: Private equity firms are to express concerns to the government that the introduction of the carbon reduction commitment (CRC) emissions trading scheme next year could land them with a disproportionately large bill and huge regulatory burden. The Department of Energy and Climate Change (DECC) is currently consulting on draft CRC regulations that would require 5,000 UK businesses that use over 6,000MWh of electricity a year to comply with a carbon cap or buy in carbon allowances to …