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Why do cars need transmission?

Best Answers

Every IC (Internal Combustion) engine gives an approximately fixed amount of power for a given fuel intake. The more you depress the accelerator, the more the throttle valve opens and more fuel enters the engine thereby increasing the power and speed. read more

Electric cars don’t need a transmission (gearbox). But internal combustion engines do because they have a relatively narrow power band (range of rpm where the engine produces significant power), and a car needs to operate over a wider range of road speeds. read more

1. Engines cannot produce torque from standstill unlike electric motors. So when an engine is started, to move the car transmission is required. 2. Transmission helps us to utilize the engine to it's maximum efficiency. It allows to operate throughout the points of power hyperbola for maximum efficiency and power. read more

If you frequently push your car with hard accelerations, stop and go traffic, or pulling trailers, you'll need to check your transmission fluid more frequently than recommended to make sure it's still in good condition. read more

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