A throttle is a mechanism by which fluid flow is managed by constriction or obstruction.
Throttle body showing throttle position sensor. The throttle cable attaches to the curved, black portion on the left. The copper-coloured coil visible next to this returns the throttle to its idle (closed) position when the pedal is released.
Image of BMW S65 from the E92 BMW M3 showing eight individual throttle bodies
Triple butterfly throttle body atop a fuel injection plenum, on a supercharged drag racing car
Car controls are the components in automobiles and other powered road vehicles, such as trucks and buses, used for driving and parking.
In the Ford Model T, the standing pedals control the two forward gears (left pedal), reverse (center pedal), and the brake (right pedal). The steering-column levers control ignition timing (left) and the throttle (right). The large hand-levers set the rear-wheel parking brake and put the transmission in neutral (left) and control an after-market 2-speed transmission adapter (right).
1904 Oldsmobile Curved Dash with a tiller steering
Standing pedals in a Saab Sonett. Pedals either hang from the bulkhead or stand on the floor. The arrangement is the same for both right- and left-hand traffic.
1969 Citroen DS Pallas interior with hydraulic gear selector mounted top right of steering column with a single spoke steering wheel. Note the so-called mushroom brake pedal. (The pedal on the left is the parking brake).