Standards can be for emissions.Logical formLearned from42 sentences. (Greenhouse gasses) may undergo an emission.Logical formLearned from42 sentences. Vehicles may undergo emissions.Logical formLearned from42 sentences. (Greenhouse gas emissions) may be blamed for global warming.Logical formLearned from42 sentences. A rise can be in (carbon dioxide emissions).Logical formLearned from42 sentences. An emission can be radioactive.Logical formLearned from42 sentences. Curbs can be on (greenhouse gas emissions).Logical formLearned from42 sentences. Cuts can be in emissions.Logical formLearned from41 sentences. (Air emissions) can be hazardous.Logical formLearned from41 sentences. Emission may undergo a detection.Logical formLearned from41 sentences. Emissions can be from sources.Logical formLearned from41 sentences. A reduction can be in (greenhouse gas emissions).Logical formLearned from41 sentences. (Greenhouse gas emissions) may be blamed for (climate change).Logical formLearned from41 sentences. Levels can be constituted-of-or-filled-with (greenhouse gas emissions).Logical formLearned from41 sentences. A lead can be in reducing emissions.Logical formLearned from41 sentences.