Regions can be constituted-of-or-filled-with emission.Logical formLearned from15 sentences. A reduction can be in (gas emissions).Logical formLearned from15 sentences. Emissions can be in an economy.Logical formLearned from15 sentences. Emissions can be from industrialized countries.Logical formLearned from15 sentences. (Carbon emissions) may rise.Logical formLearned from15 sentences. (Auto emission standards) can be stringent.Logical formLearned from15 sentences. (Greenhouse gas emissions) can be regional.Logical formLearned from15 sentences. Countries may undergo emissions.Logical formLearned from15 sentences. Emissions can be unrestrained.Logical formLearned from15 sentences. A decrease can be in (carbon emissions).Logical formLearned from15 sentences. Cutbacks can be in emissions of (carbon dioxide).Logical formLearned from15 sentences. Pollutants may undergo (emission levels).Logical formLearned from15 sentences. Greenhouse-gas emissions may undergo reductions.Logical formLearned from15 sentences. Smog may undergo emissions.Logical formLearned from15 sentences. Reductions can be in (greenhouse gas emissions).Logical formLearned from15 sentences.