Variations can be in an emission.Logical formLearned from7 sentences. An emission can be unresolved.Logical formLearned from7 sentences. A technology may reduce emissions.Logical formLearned from7 sentences. An emission can be chemical.Logical formLearned from7 sentences. Reductions can be in (nox emissions).Logical formLearned from7 sentences. Industries may cut emissions.Logical formLearned from7 sentences. (Technology standards) can be for (factory emissions).Logical formLearned from7 sentences. Emissions can be unregulated.Logical formLearned from7 sentences. (Ghg emissions) may pertain-to persons.Logical formLearned from7 sentences. Emissions can be from a (power plant).Logical formLearned from7 sentences. (Mercury emissions) can be annual.Logical formLearned from7 sentences. (Sulfur dioxide emissions) may pertain-to a nation.Logical formLearned from7 sentences. (Greenhouse gas emissions) may be curtailed.Logical formLearned from7 sentences. Emissions can be in an international-political-entity.Logical formLearned from7 sentences. Emissions can be measurable.Logical formLearned from7 sentences.