An intermediate in the combustion of carbon and hydrocarbons, carbon monoxide, is of special importance because it is a poisonous gas, but also economically useful for the production of syngas. Solid and heavy liquid fuels also undergo a great number of pyrolysis reactions that give more easily oxidized, gaseous fuels.
GM is short for General Motors. in text means Good Morning or means Good Move. Also means Genetically Modified.
So basically, a GMO (genetically modified organism) is a plant, crop, food or something related to those things that was created with biotechnology. There are several kinds of GMOs, all of them involve taking a gene from one species and putting it into another unrelated species.