A percent may pertain-to (carbon dioxide emissions).Logical formLearned from123 sentences. (Carbon dioxide) may be emitted.Logical formLearned from122 sentences. A percent may pertain-to a (carbon dioxide).Logical formLearned from121 sentences. Limits can be on (carbon dioxide emissions).Logical formLearned from121 sentences. A reduction can be in (carbon emissions).Logical formLearned from120 sentences. A (carbon fibre frame) can be plastic.Logical formLearned from117 sentences. Reductions can be in (carbon dioxide emissions).Logical formLearned from117 sentences. Carbon can be fixed.Logical formLearned from116 sentences. (Carbon monoxide) may undergo emissions.Logical formLearned from116 sentences. Reductions can be in (carbon emissions).Logical formLearned from115 sentences. (Carbon emissions) can be annual.Logical formLearned from113 sentences. (Carbon dioxide emissions) can be annual.Logical formLearned from113 sentences. A (carbon dioxide) can be elevated.Logical formLearned from112 sentences. Carbon may undergo a cycling.Logical formLearned from110 sentences. A (carbon dioxide) may pertain-to the world.Logical formLearned from109 sentences.