GM showed off its electric roadmap, a new vehicle from Cadillac, as well as a VTOL drone concept. Read our full story on Engadget: https://www.engadget.com/gm-cadillac-ev-drone-vtol-concept-lyriq-celestiq-144643388.html Get More Engadget: • Like us on Facebook: http://www.facebook.com/engadget • Follow us on Twitter: http://www.twitter.com/engadget • Follow us on Instagram: http://www.instagram.com/engadget • Read more: http://www.engadget.com