Entrepreneur

Robert Downey Jr. and Bill Gates Bet on Electric Motor Startup


Bill Gates, left, and Robert Downey Jr.

As much as half of the world’s electricity is consumed by motors. They power everything from fans to electric cars and pumps to industrial machinery. Making them more efficient could go a long way in reducing emissions of planet-warming greenhouse gases.

That’s the promise of California-based startup Turntide Technologies Inc., which has commercialized a new type of electric motor. The company said on Wednesday it has raised $80 million from investors including a fund led by Microsoft Corp. founder Bill Gates, Iron Man actor Robert Downey Jr., and co-creator of the iPhone Tony Fadell. 

Explore dynamic updates of the earth’s key data points

Electric motors convert electricity into motion by using electromagnets to generate magnetic fields that turn a rotor around a shaft. That simple turning motion, depending on the size of the motor, can blow fallen leaves or bend sheets of metal.



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