Business Green: The government yesterday announced it is to put the decommissioning and consultancy arm of the UK Atomic Energy Authority (UKAEA) up for sale in a move business secretary Peter Mandelson said would help improve the efficiency of the planned rollout of a new fleet of reactors. The government said it would consider retaining a stake in the business, but is seeking a buyer for 100 per cent of the issued share capital with a view to completing a deal this summer. UKAEA Ltd, the …