See links below
Propane generators are great to research. You can use wikipedia to find information that describes the difference between propane generators that would be useful to you.
Information about propane tank services can be found at SIS Propane, Propane 101, Temp Heat, Sparlings, Eagle Propane, Natural Handyman and True Point.
To what?? Try and put some propane in your car's petrol tank and you might find your answer for that case.
You can compare local propane prices by contacting multiple propane suppliers in your area and requesting quotes. You can also check online propane price comparison websites or use apps that aggregate pricing information to help you find the best deal before purchasing your propane.
Every twelve years it is required by law that a propane tank is certified. The latest date of certification can be located on the neck of the propane tank.
Propane gas detectors can be found in stores that carry building supplies. They can be found in the section of the store that also carries the propane tanks and heaters.
Propane for a heater can be purchased at hardware stores, gas stations with propane refill stations, home improvement stores, and propane dealers. They typically sell propane in refillable tanks or disposable cylinders.
Propane generators are a good, solid choice. Propane is easy to find, can come in prefilled containers, and is a reliable fuel source. Propane produces significant power per unit of combustion, so will be relatively efficient for your power generation needs.
Propane prices can vary depending on the supplier and current market conditions. To find the most current price per gallon of propane in Door County, Wisconsin, I recommend contacting local propane suppliers in the area for quotes.
By pouring hot water on a propane cylinder you are heating the metal cylinder. The liquid propane in the cylinder is cold and forms condensation on the outside of the cylinder showing the level of propane remaining in the tank much like condensation forming on a glass of ice water on a hot day.
Propane is a compound.
Check with the authority in that state that issues the license.