"The easiest ways to get energy bills down quickly are to get people paying the lowest possible tariffs and to reduce the amount of energy that is wasted, " the statement added.

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In his keynote speech, Mr Clegg also pledged to do more to reduce the tax burden for the lowest-paid, saying next week's Budget must have "fairness" at his heart.

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Lib Dem Treasury Secretary Danny Alexander said Labour were "late to the party" on the need to reduce the tax burden on the lowest paid.

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These mechanisms refer to carbon reduction schemes in developing countries, which allow firms to reduce their carbon emissions at the lowest possible price.

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Leftish Islington, for example, thinks it a good idea to harry local businesses to reduce the ratio between their highest- and lowest-paid workers.

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Everything other than defense spending and entitlements like Social Security and Medicare -- we're going to reduce those to the lowest level relative to GDP of any time since the 1960s.

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As I speak, U.S. and Russian negotiators are completing an agreement that will reduce strategic weapons to their lowest levels in decades.

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While the company is among the higher-cost operators in its gold extraction activities, its silver bi-product sales reduce the net cost to among the lowest in the industry.

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It was a "lowest common denominator" approach to suggest that Germany should reduce its competitiveness to deal with the region's crisis, she said.

WSJ: Merkel, in Speech at Davos,