(Carbon dioxide emissions) can be from vehicles.Logical formLearned from13 sentences. (Carbon dioxide) may have an effect.Logical formLearned from13 sentences. Concentration of (carbon dioxide) may rise.Logical formLearned from13 sentences. (Carbon dioxide) may warm the atmosphere.Logical formLearned from13 sentences. A (carbon dioxide) can be reduced.Logical formLearned from13 sentences. A rise can be in (carbon dioxide emissions).Logical formLearned from13 sentences. A (carbon dioxide) may be absorbed by forests.Logical formLearned from13 sentences. (Carbon gas emissions) may pertain-to the world.Logical formLearned from13 sentences. A percent may pertain-to (carbon gas emissions).Logical formLearned from13 sentences. Carbon can be neutral.Logical formLearned from13 sentences. (Carbon fiber blades) can be adapted.Logical formLearned from13 sentences. A market can be in (carbon emissions).Logical formLearned from13 sentences. (Carbon dioxide emissions) may undergo an increase.Logical formLearned from12 sentences. Producers can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from12 sentences. Some kg can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from12 sentences.