Hong Kong authorities have planned to expand a scheme allowing mainland Chinese motorists to drive into the city for leisure to all 21 Guangdong cities by the first quarter of next year, after applications reached about three times the daily quota. Secretary for Transport and Logistics Mable Chan said on Saturday that about 15,000 motorists had applied through mainland authorities for next month’s Southbound Travel for Guangdong Vehicles scheme. The scheme will be extended to all nine mainland...