Définition
The carbon tax is a tax added to the sale price of products or services according to the quantity of greenhouse gas, as the carbon dioxide (CO2, carbon dioxide), emitted during their use.
Decided in its principle during the said agreements of Grenelle environment, and officially called Contribution climate energy (CCE), it gets potentially fossil fuels (gasoline, diesel oil, gas, coal) and all the activities which use it. The taxation is reckoned on the basis of a price in the emitted ton of carbon dioxide.