This is the proposal of scientist of "Los Alamos National Laboratory ".
Nothing new, if an hydrocarbon plus oxygen give carbon dioxyde plus water, the inverse reaction is feasible... we only have to give some energy.
The "unique" problem is the source of energy.
Today the principal investigator on the project, F. Jeffrey Martin, will be presenting a talk on the subject at the Alternative Energy NOW conference in Lake Buena Vista, Florida.
I don't know if the label "green chemistry" or "sustainable development" are appropiate for this new...
More information here.