Extra Fuel is an alternative to conventional gasoline that will run any petrol engine, yet is safe to take along. Extra Fuel is designed to be safe – not because of what is in it, but what isn't. The reason why gasoline is so dangerous to keep stored in a car is because it isn't one simple chemical. It’s a mixture of organic compounds and some of them, such as butane, pentane, hexane and heptane, are extremely volatile. They vaporize at relatively low temperatures and if stored in a vehicle on a hot day they can pop the vent on a storage can and fill the car with dangerous, flammable fumes.
Extra Fuel is produced in such a way that it does not contain those dangerous volatile components. Without these, the product produces “less pressure than a container of orange juice when exposed to high temperatures.” It also has a 10-year shelf life because, unlike conventional gasoline, it has no olefin, which breaks down into gum in improperly stored fuel.
Source: gizmag.comAdded: 16 October 2012