Regulations can be on (automobile tailpipe emissions).Logical formLearned from8 sentences. Emissions may harm health.Logical formLearned from8 sentences. Some levels can be constituted-of-or-filled-with (greenhouse gas emissions).Logical formLearned from8 sentences. (Cutting emissions) may be linked to global warming.Logical formLearned from8 sentences. An international-political-entity may be committed to cutting emissions.Logical formLearned from8 sentences. A country may account for some percent of emissions.Logical formLearned from8 sentences. Chlorofluorocarbons may undergo an emission.Logical formLearned from8 sentences. Growth can be in (gas emissions).Logical formLearned from8 sentences. Rules may govern reductions of (greenhouse gas emissions).Logical formLearned from8 sentences. Talks may limit emissions of (greenhouse gases).Logical formLearned from8 sentences. Emissions may pose a risk to human health.Logical formLearned from8 sentences. (Carbon dioxide emissions) can be in a country.Logical formLearned from8 sentences. An (auto emission test) can be unpopular.Logical formLearned from8 sentences. (Carbon dioxide) can be a component of emissions.Logical formLearned from8 sentences. Restrictions can be on emissions.Logical formLearned from8 sentences.