You can purchase a camping stove at any major discount retailer like Target or Walmart, as well as at any camping/sporting good store. Stores that specialize in outdoor sports and wilderness camping can also help you choose the stove that best for you.
Propane.
Most camping stoves use propane.Propane is a three-carbonalkalinea formula called C3H8, normally a gas.
Most camping stoves are fueled by small bottles of propane roughly the size of a quart of milk. You can also get Coleman stoves which use white gasoline, but this is extremely flammable and should be used with the utmost caution.
Go to Wikipedia and type in Primus Stoves. There is a whole article on there about Primus stoves. Alternatively go to the Primus Camping website and go through the variety of stoves there.
There are several types of camping gas. One is brand named Coleman fuel. It is used in camp stoves and lanterns. It is a liquid gas. Another is propand that comes in smaller disposable tanks and large refilable tanks. This also is used for some camp stoves and lanterns. This is a cleaner gas to use as you cannot spill it. However it can leak from the cylinder if used improperly or left open. Both gasses are dangerous when misused and should only be used in the manner they were designed for.
There are many good quality camping stoves, some brands include MSR and Brunton. In addition to typical camp stoves, MSR also creates camp stoves designed for the winter as well as high altitudes.
Products offered by Camping Gaz range from consumer appliances such as: gas and charcoal grills, stoves, and coolers. Camping Gaz also offers blowlamps and lanterns for camping occasions.
Primurs, Camping Glory, and the famous Coleman are just some of the brands of camping stoves. The only way to really list is to go shopping. There are some that only few people in small cities know about. On this website you will see many brands but there are more. http://www.campstovewizard.com/
Most camping stoves use propane like a grill would. Some also use liquid fuels as well.
Harman pellet stoves can be purchased from the official website of Harman Stoves. Harman pellet stoves can also be bought from the specific Harman Pellet Stoves website.
You can basically use your camping stoves indoor but making sure that you do all safety precautions before doing so. Using camping stoves indoor can result to major accidents such as burning and Carbon Monoxide poisoning if safety measures are not done properly. You have to remember that ventilation should be the first priority when using camping stoves indoor.
No, not unless the stove was made and sold to you as being able to use gasoline as a fuel (some army camping stoves will do this but normal household stoves are not designed for this fuel).