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A cars engine revolves at changing speeds depending on how hard the car is working. Gears on the car change when the engine begins to work too hard. RPM is a way of measuring how hard the engine is working.
Revolutions Per Minute
RPM in cars in an acronym that stands for Revolutions Per Minute. This refers to the cars engine and measures how many times the engine is turning in a minute. RPM tells how hard an engine is working. The higher the RPM, the harder the engine is working.
RPM and Gears
The RPM, or measurement of how hard the engine is working, helps the driver know when to shift gears. The higher the gear, the lower the RPM.
Gas Milage
Many people have said that driving your car in the highest gear, or at the lowest RPM, increases the gas mileage of your car. An experiment by Metro MPG confirmed that this old piece of advice is true.
