Business Green: Chris Huhne today rejected accusations from the CBI that the government has imposed a “stealth tax” on corporate carbon emissions, insisting surprise changes to the Carbon Reduction Commitment (CRC) announced as part of yesterday’s Comprehensive Spending Review are necessary to deliver cuts in greenhouse gas emissions. The Energy and Climate Change Secretary defended the decision to axe the revenue recycling component of the carbon pricing scheme, which is expected to raise £1bn a …