No. It sounds like there might be a gas leak.
Propane
Propane which is C3H8
Butane
A Co2 regulator is used to allow the user to regulate the amount of Co2 that is being used. The regulator keeps the gas flowing at a slow, steady stream, as to prevent over-use of the gas.
No, C2H8 is not a chemical formula. Propane gas (C3H8) is commonly used in barbecue tanks as a fuel source. Propane is an electrolyte and can conduct electricity when in its ionized form.
The gas regulator controls the fuel gas flow.
Propane gas is recommended for use in a barbecue grill.
A Barbecue takes either butane or propane.
Butane
A gas regulator helps to maintain a steady flow of gas. A propane tank is an example of an item with a gas regulator. One opens up the tank to allow the right amount of gas to flow to the BBQ.
It is Natural Gas Pipe Line Regulator