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Electric remote control cars use high capacity compact batteries to drive brushed or Brushless motors via an electronic speed control. They run on small but powerful electric motors and rechargeable nickel metal hydride, nickel-cadmium, or lithium polymer cells. Electric batteries take a while to charge, but quick chargers can help save time. High-performance motors must be allowed to cool down after use, in order to avoid demagnetizing the permanent magnets. Electric cars tend to be lighter than nitro models because they have fewer components in the drive system. They also have more consistent torque and faster throttle response than nitro vehicles.

Fuel-powered cars, also referred to as Brushless ESC cars, use glow plug engines. These are small internal combustion engines fueled by a special mix of nitromethane, methanol, and oil that is usually a blend of castor oil and synthetic oil. Nitro engines, like full-sized gas engines, take time to spool up and for the clutch to engage. Nitro remote control cars are completely air cooled, and may be run continuously without any breaks for cooling down. In addition, they may be refueled and returned to action in a few seconds, unlike electric models that need to have the body shell and battery fasteners removed to replace a discharged battery.

Gasoline-powered vehicles run on premixed oil and gasoline. These types of remote control cars are also called fuelies. They cost more than electric and nitro cars, and are much bigger, thus needing more space. Gas cars don't usually have high top end speeds compared to the other models, but have plenty of power and don't need a lot of fuel to run. Brushless RC powered motors rarely require tuning and have a very long lifespan.