I strongly doubt that anyone will ever come up with a feasible way of overcoming the fact that Carbon plus Oxygen yields CO2.

It's called green plants + sunlight....CO2 + water + energy input = hydrocarbons to build more plant tissue + oxygen for us to breath.

So we:

1) Shouldn't waste it running more powerful and less efficient vehicles than we need, and

2) Should plant more green plants and pave and build over less area.

Seems simple enough in theory.

Peter