A collision with a manhole cover could have caused significant damage to the vehicle and triggered the subsequent incident, Tesla said.
NIO and its peers are prying open a window of opportunity to beat Tesla. But time is limited, and every company is sprinting to catch up.
The new NIO offering is expected to further differentiate the company not just from its Chinese peers, but Tesla as well.
Hefei is among a growing number of lower-tier Chinese cities looking to boost EV adoption as well as raise its profile as an EV hub.