I don't think they're going to crack down on such a small dosage of it. If so, they should maybe remove obnoxious trucks from the road. Maybe remove the NASA program? Any factory giving off greenhouse gases. I think they should worry about things on a much larger scale before they do something about using CO2 to power a paintball gun.
"I'm not gonna let people tell me what I can't do, I'm going to SHOW them what I can do."