Working Group III: Mitigation

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Harmonized emissions/carbon/energy tax
Commits participating countries to impose a tax at a common rate on the same sources. Each country can retain the tax revenue it collects. A harmonized tax would not necessarily require countries to impose a tax at the same rate, but imposing different rates across countries would not be cost-effective. See also emissions tax.

See hydrofluorocarbons.

Hydrofluorocarbons (HFCs)
Among the six greenhouse gases to be curbed under the Kyoto Protocol. They are produced commercially as a substitute for chlorofluorocarbons. HFCs largely are used in refrigeration and semiconductor manufacturing. Their Global Warming Potentials range from 1300 to 11,700.

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