Not much attention has been paid to how manufacturers dyno test all-electric drivetrains—until now. Brought to us by our friends over at Apex.One is a brief look into how electric hypercar maker turned tech company Rimac shakes down its hardware without having to wake up any of its test drivers or pay for track time. We all know electric cars are much quieter and more energy-efficient than internally combusted ones and, as it turns out, those two benefits hold during the testing phase as well.