Lien Hoang SINGAPORE— Pang Kin Keong is dreaming of a paradise city, where the grass is green and the people are -- well, sitting in driverless cars. Pang is also Permanent Secretary at Singapore’s Transport Ministry, so this is more than a dream. The government wants a city with fewer surface streets, making room for more parks, and more commuters using self-driving cars. Singapore would build roads underground and use the pods to shuttle people from the subway to their final destination. “You must dream, you must dream,” Pang said in an interview at his office. “I want to live in a place much like the holidays and resorts that I go to...
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