a tax levied for environmental reasons on the use of non-renewable fossil fuels with the aim of curbing their consumption.
a tax on the consumption of carbon-based non-renewable fuels, such as petrol, diesel-fuel, jet fuels and natural gas. The object is to reduce the release of carbon into the atmosphere. More at Wikipedia... ( http://en.wikipedia.org/wiki/Carbon_tax|)
A tax applied to every tonne of CO2-equivalent emissions of certain major greenhouse gases imposed by the Crown by, or in accordance with, relevant legislation.
a tax on different types of fossil fuels calculated according to the amount of carbon that would be emitted when the fuel is burned for energy.
a charge on fossil fuels (coal, oil, natural gas) based on their carbon content. When burned, the carbon in these fuels becomes carbon dioxide in the atmosphere, the chief greenhouse gas.
A carbon tax is a tax on energy sources which emit carbon dioxide into the atmosphere. It is an example of pollution taxes, which economists favor because they tax a "bad" rather than a "good" (such as income). Because a carbon tax addresses a negative externality, it is classed as a Pigovian tax, named after Arthur Pigou, who first proposed targeted taxation as a corrective to externalities.