Haven't been in a McDonalds or had a soda in 20 years.......
Combustible bottles travel in truck bed. After sticking my nose in fermentation freezer I know you can tell a high concentration of CO2 by the fact that your sinuses are burning off...... But, an explosive release in a small compartment could be "interesting". Not too worried about in the house. Same with the 1000 pounder. Low concentrations are not a problem, ..(we drink the stuff remember) instantaneous release you don't need a detector..But, leaks are $$, so for that reason I would consider it.