Motorized travel made it necessary to install a gasoline pump. The base also houses a helipad and gasoline pump. Such converted cars achieve better reliability since use of an unreliable gasoline pump is avoided. There is also related antique car paraphernalia and an old gasoline pump. This mechanism eventually developed into the modern gasoline pump cut-off valve. For a while, the term "bowser" was used to refer to a vertical gasoline pump.