Gas-powered radio controlled boats require more skill to operate than the electric-powered boats. Within each group, gas-powered and electric-powered, there are variations of radio controlled boats to choose from. Gas engines are slightly more complicated mechanically because they have spark plugs and magnetos. In the end, the choice is mostly a matter of personal preference. Gas Models ? Gas vehicles are powered by a small internal combustion engine burning glow fuel (not gasoline!). Many modelers enjoy the realistic sound and smell that goes along with gas-powered racing