This Revolutionary Part Will Forever Change The Tesla Roadster - CarBuzz

That is a threat to the livelihood of companies that build transmissions, companies like ZF. Except maybe not. As Cnet reports, the large auto parts supplier has just unveiled a two-speed transmission designed exclusively for electric cars. At first glance, it seems unnecessary because EVs usually don’t need transmissions. After all, they make maximum torque throughout their rev range and have no trouble accelerating from a dead stop without help from a transmission.

Gasoline and diesel engines, on the other hand, need gears to generate enough torque to get off the line, which is why all ICE-powered cars have a transmission. But that doesn’t mean EVs couldn’t at least benefit from some sort of torque manipulation, hence, the new gearbox. ZF’s new transmission is set to shift at 43 mph by default, but the shift timing can be programmed for a different speed depending on the needs of the automaker.

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