摘要
Since 2018,Turntide Technologies’highly efficient electric motors—based on an updated version of an early 19th century design—have turned cooling fans in dairy barns across the United States;in addition,more than a dozen companies,including BMW and Amazon,have saved an estimated average of 64%on heating and cooling costs by retrofitting their rooftop heating,ventilation,and air conditioning(HVAC)systems with the company’s“smart motor system”[1].Now,as announced in June and July 2021[1,2],the Sunnyvale,CA,USA-based company,backed by Bill Gates and Amazon,is shifting its focus to electric vehicles(EVs)after securing 225 million USD in funding and acquiring three startup firms—Hyperdrive Innovation,BorgWarner Gateshead,and Avid Technology—that make batteries,drivetrains,and EV controls,respectively.
