What is the Kyoto Protocol gas?

Excuse me, could you please clarify what you mean by "Kyoto Protocol gas"? I understand that the Kyoto Protocol is an international agreement aimed at reducing greenhouse gas emissions, but the term "Kyoto Protocol gas" isn't commonly used in this context. Are you referring to the specific types of greenhouse gases that are covered under the Kyoto Protocol, such as carbon dioxide, methane, nitrous oxide, and others? Or is there a specific gas that you're inquiring about that's somehow related to the Kyoto Protocol? I'd be happy to provide more information if you could clarify your question.