Trading carbon schemes
Updated on 13 March 2008
One largely overlooked measure in yesterday's budget was the announcement that the government's carbon trading scheme will be replaced by a carbon auction.
Instead of firms being allocated permits to produce carbon from 2012 they'll have to buy them.
It could be a major money spinner for the government, raising billions of pounds every year.
But calculations commissioned by Channel 4 News suggest it could also lead to a massive rise in household energy bills.
