HONG KONG -- When Chinese authorities took Tesla to task for quietly downgrading a key chip in some of its Shanghai-made vehicles, angry owners cheered.
Angry owners refuse free upgrade as they hold out for higher compensation

Tesla has pinned high hopes on China, both as a production center and a market. © Reuters
HONG KONG -- When Chinese authorities took Tesla to task for quietly downgrading a key chip in some of its Shanghai-made vehicles, angry owners cheered.