It also has 32 battery cyclers , `` treadmills '' used to deplete and charge the packs repeatedly . General Motors opens largest automotive battery laboratory in the U.S. GM invests $ 25 million in the 33,000-square-foot Global Battery Systems Lab . Lab will develop and test the drivetrains underpinning alternative vehicles . Score: 6
General Motors opens largest automotive battery laboratory in the U.S. GM invests $ 25 million in the 33,000-square-foot Global Battery Systems Lab . Lab will develop and test the drivetrains underpinning alternative vehicles . Score: 6