Some examples are [[methane]], [[ethane]], [[propane]] (used for fuel), [[butane]] (used in lighters), [[pentane]], [[hexane]], [[heptane]], and [[octane]]. | Some examples are [[methane]], [[ethane]], [[propane]] (used for fuel), [[butane]] (used in lighters), [[pentane]], [[hexane]], [[heptane]], and [[octane]]. |