A VinFast electric vehicle sits at a distributor in Los Angeles.
  © Reuters

HO CHI MINH CITY — The chief executive of VinFast will invest $1 billion of his own money into the Vietnamese electric vehicle maker to support the company as it deals with ballooning upfront spending.

Pham Nhat Vuong made his pledge Thursday during a shareholders meeting of parent conglomerate Vingroup. Vuong, the founder and chairman of Vingroup, is the wealthiest man in Vietnam.

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