October 5, 2017 12:43 pm Startup Aims to Produce Hybrid-Electric Planes by 2022 Zunum Aero, a Seattle-based startup, has announced plans for a hybrid-electric plane. US & World Videos 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 3:28 Boy, 4, found dead after being swept away by floodwaters in North Texas 1:15 Anna Nicole Smith's look-alike daughter Dannielynn Birkhead attends 2024 Kentucky Derby