The energy crisis caused by the Iran war has been a wake-up call and prompted governments to try and speed up a shift to electric cars.  Could solar cars be next?  Although they have been around for decades, solar-powered vehicles have largely remained experimental due to technical challenges.  Yuka Royer speaks with Steve Fambro, CO-CEO of Aptera Motors, a US startup that is preparing to start delivering their solar cars to customers as early as this year.