The Liberal Democrat leader has said his party will not enter into coalition government again "unless we get an approach to balance the books and do so fairly".
Nick Clegg, who was speaking at Land's End as he began a tour to John O'Groats, said: "For instance that means not asking millions of public sector workers to have any more cuts to their take home pay."
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The Committee warned the Government's "clean growth strategy" did not go far enough to meet targets to cut greenhouse gases.
Inflation fell from 3.1% in November, to 3% in the last month of 2017.
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