
HANOI -- Japan's government and more than 20 companies are teaming up to construct a smart town in Vietnam by 2023, featuring self-driving buses and a host of energy-saving technology.
General trader Sumitomo Corp., machinery maker Mitsubishi Heavy Industries and subway operator Tokyo Metro are among the businesses on board. Valued at nearly 4 trillion yen ($37.3 billion), this stands to be the largest Japan-led overseas project to date, according to officials of the Japanese companies involved.