Didi robotaxi
A Didi robotaxi picks up a passenger in Shanghai in 2020.
  • Chinese tech startups have scaled back testing of driverless cars in California, a BI analysis found.
  • It comes as Chinese autonomous vehicle companies face growing scrutiny from US lawmakers. 
  • China's biggest ride-hailing firm has stopped testing its cars in California altogether.

China’s leading ride-hailing firm has dropped out of a program that allows it to test self-driving vehicles on Californian public roads.