Last week US regulators announced they are investigating Tesla’s autopilot system following the fatal crash of a Tesla Model S when it was in autopilot. That’s prompted autonomous car skeptics to question the viability of self-driving cars. So what do those who are banking on Tesla’s autopilot do? Rahul Sonnad runs TESLOOP, a Playa Vista-based company that offers city-to-city transportation in semi-autonomous electric vehicles.