As far as I know, it is rather unlikely. Carbon dioxide itself is the result of combining organic chemicals (such as fossil fuels or ethanol) with the oxygen in the air – in other words, burning. This process is exothermic, meaning it releases energy, which is the reason we’re able to use it to power things. The conversion of CO2 back to O2 and organic compounds is mostly done by photosynthetic plants, which use the energy of the sun for this through a long and complex series of chemical reactions. There might be some chemical reaction that uses up CO2 while producing heat, however, the end product might be no smaller problem than the CO2 itself.
Saw this article recently, on running Navy ships on fuel made from carbon dioxide, not on CO2 itself. However, as of now the process is not cost-effective due to the large amount of energy needed. And in the end result, you’ll be releasing back into the atmosphere whatever CO2 was used up the fuel, plus all additional CO2 that was produced to power the fuel generation process. You can read more here:
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