For most migrants and asylum seekers, San Diego is not a final destination. It's a layover. But more migrants are choosing to stay in San Diego. And many are becoming homeless. Reporter: Gustavo Solis, KPBS California will have to build public charging stations at an unprecedented — and some experts say unrealistic — pace to meet the needs of the millions more electric cars expected on its roads in the next decade. Reporter: Alejandro Lazo, CalMatters Learn more about your ad choices. Visit megaphone.fm/adchoices