https://finance.yahoo.com/news/toyota-softbank-hold-news-conference-002350901.html

The tie-up shows that even big, well-funded firms want to share costs and expertise in pursuing promising but risky automotive technologies that have yet to gain widespread consumer acceptance.

The joint venture will start small with initial capital of 2 billion yen ($17.5 million). SoftBank will own just over half of the business, which will initially focus on Japan and eventually go global.