https://www.reuters.com/article/us-tesla-accident-texas/u-s-probes-fatal-tesla-crash-believed-to-be-driverless-idUSKBN2C623A >The U.S. National Highway Traffic Safety Administration (NHTSA) said on Monday it was investigating a Texas crash on Saturday that left two dead and local police said appeared to have occurred with no one in the driver's seat.