Gas and electricity bills would rise by at least three per cent as a tax on carbon fuels is brought in.

Only the carbon fuel and one-fourth inch of paper and insulation actually burn.

In many situations the disadvantage of hydrogen, relative to carbon fuels, is its storage.

Although expensive, substitutes for carbon fuels are already available.

Investigation of carbon neutral fuels has been ongoing for decades.

The charcoal is produced by heating wood to produce the nearly pure carbon fuel needed for the refining process.

The oil that forms when cataclysms bury living matter: under pressure, the remains become a source of carbon fuel.

Limits on volumes that could be sold would raise the competitive price of all carbon fuels.

Any innovation in transport will need a major technological break-through to over come the economic advantage of carbon based fuels.

The price people and firms pay for their carbon fuels does not reflect the cost to everybody else of filling the atmosphere with greenhouse gases.