Well and also the CO2 isn't acting as a fuel, it acts as a battery or resource. Plants make sugar from CO2, and also burn that sugar back to CO2 (plants respir

Well and also the CO2 isn't acting as a fuel, it acts as a battery or resource. Plants make sugar from CO2, and also burn that sugar back to CO2 (plants respire overnight - they're not pure CO2 consumption machines).