Up to nine million drivers will lose £245 under car tax plans, the Treasury has admitted.
Gordon Brown is facing yet another test of his authority today as the finance bill goes through its last stages in the Commons.
The Confederation of British Industry (CBI) has added its voice to the calls for a tax cut in this Wednesday's Budget, arguing the present rate of corporation tax is making the UK uncompetitive.
The Liberal Democrats want to charge drivers to use motorways as part of a commitment to making Britain carbon neutral by 2050.
The Liberal Democrats called today for a four pence tax cut as part of a bid to make the tax system fairer.
The Liberal Democrats are attempting to portray themselves as the 'greenest' of the three major parties, with a new initiative designed to improve household energy efficiency.
Despite being widely touted as a 'green Budget' the chancellor has been accused of missing an opportunity to stress his green credentials.
Conservative leader David Cameron will today propose tax hikes for airline passengers to try and combat climate change.
More than a million Britons have signed a petition calling for an end to proposed schemes to charge people according to how far they drive.
David Miliband has confirmed he has proposed a package of green taxes to combat climate change.
George Osborne today insisted the Conservatives would not promise any unfunded tax cuts as the party's tax commission proposed a £21 billion package of cuts.
The Conservative leadership was today holding firm on its pledge not to commit to tax cuts at the next election, ahead of a potential showdown with party members.
David Cameron's attempts to curb the Conservatives' tax-cutting tendencies are about to be dealt a fatal blow by the party's tax commission, reports suggest.
The Liberal Democrats would tax the rich and polluters to pay for huge tax cuts for the majority, under new proposals.
Menzies Campbell admits that he will have his leadership ability put to the tax test at the Liberal Democrat's autumn conference.
People who refuse to recycle their household waste could be charged extra under new proposals to reform local government financing.
Menzies Campbell has today committed the Liberal Democrats to cutting 2p on the basic rate of income tax as he attempts to revitalise his ailing leadership.
Drivers of the most polluting cars would have to pay up to £2,000 a year in car tax under new proposals unveiled by the Liberal Democrats.
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