These taxis are being operated by Pengcheng Electric Taxi Company, a joint venture between BYD and the Shenzhen Bus Group (SBG).

FORBES: BYD's Electric Taxis Hit Shenzhen's Streets

Activities Leader Katie Rivers says the joint's most popular field trip is the bus excursion to the 99-cent store, followed by jaunts to Target and the movie theater.

WSJ: Senior Living It Up