TOKYO -- Chinese electric-vehicle giant BYD confirmed Thursday the presence of a toxic chemical in electric buses for the Japanese market, saying the substance does not carry health risks while also indicating plans to end its use.
Hexavalent chromium poses no health hazard but use will end, company says

BYD Japan said hexavalent chromium was included in an anti-rust treatment for nuts and bolts used in electric buses. (Image courtesy of the company)
TOKYO -- Chinese electric-vehicle giant BYD confirmed Thursday the presence of a toxic chemical in electric buses for the Japanese market, saying the substance does not carry health risks while also indicating plans to end its use.