Mr Portillo also pledged to cut taxes on businesses, to restore the married couples allowance, to give more help to pensioners - and to cut the duty on petrol.

BBC: Portillo aims for private health boost

But the other paras tell us that there is Petroleum Revenue Tax, some horrible Brownian complexity over the taxation of the extraction companies, fuel duty and excise taxes on petrol and derv plus VAT, and then the Climate Change Levy.

FORBES: National Geographic's Howling Ignorance About Fossil Fuel Subsidies

Prof Glaister called on the government to reduce fuel duty, which accounts for almost 60 pence in every litre of petrol.

BBC: Transport poverty hits 800,000 homes, says RAC