"We have to build a new generation of power stations," he said, adding that they must be low-carbon.
Mr Huhne briefly commented on today's Budget, which he said will include the Green Investment Bank, a £1 billion plan - initially announced as double that amount in March 2010 by the Labour government - to help pay for sustainable energy projects.
The UK's targets for 2020 include cutting carbon emissions by 34 per cent compared to 1990 levels and generating 15 per cent of the nation's power from renewable sources, he noted, adding that it would mean a "fivefold increase" on current production.
Posted by Anne Yevel
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