Most of the energy from burning fuel comes from the oxygen, not the fuel: https://pubs.acs.org/doi/10.1021/acs.jchemed.5b00333 https://pubs.acs.org/doi/10.1021

Most of the energy from burning fuel comes from the oxygen, not the fuel: https://pubs.acs.org/doi/10.1021/acs.jchemed.5b00333 https://pubs.acs.org/doi/10.1021/acs.jchemed.5b00333