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An unmanned vehicle has been put into use in Nanjing's residential community Binjiang Yihao. According to Meng, it can take elevators, plan the best routes and send location information automatically.

An upward trend

Andreetta said most tourists surveyed who traveled to China for winter vacations came from nearby countries such as Malaysia, Thailand and South Korea. Most of them were affluent millennials who spend the majority of their leisure time skiing and snowboarding.

Analysts say carmakers should speed up their pace to launch more lower-emission models; otherwise, the new regulation may exacerbate the already chilly automotive market, which fell for the first time last year since 1990.

Analysts believe the prices will be propped up in the coming months as the country's electricity consumption braces for its seasonal peak in summer.