Elon Musk, a billionaire known for his vast fortune, portrays a surprisingly modest lifestyle, claiming to live in a $50,000 ...

While he has a penchant for cars and jets, the world's richest person reportedly lives a relatively modest life.

The company is a bit like a collection of start-ups in one company, but with far less risk than the usual early-stage growth company.

The billionaire CEO says the steering wheel-less, pedal-less Cybercab goes into production in April. But Tesla doesn’t have ...