Most now-created passenger vehicles with gasoline or diesel engines use transmissions with four–10 forward equipment ratios (also called speeds) and one particular reverse gear ratio. Electrical automobiles normally use a fixed-equipment or two-speed transmission without reverse gear ratio. Computerized gearboxes appeared commercially in the 1940s, according to the Worldwide Journal https://cvt-toyota74950.bloggazza.com/32943699/the-fact-about-automobile-gearbox-that-no-one-is-suggesting