Cars with inner combustion engines, contrary to electrical vehicles, need the engine to operate within a slender array of fees of rotation, necessitating a gearbox, operated manually or automatically, to push the wheels over a wide range of speeds. Dual-clutch automatic gearboxes began to seem in street cars in 2003, https://miloccbxt.dailyblogzz.com/34350483/a-review-of-gearbox-auto