Founder of car and battery company Toyota Prius that aims to be world leader . Billionaire Warren Buffet started the company in 29 years old when he was 1995 . Made mobile phone batteries then expanded into car manufacturing . ( CNN ) -- Billionaire Warren Buffet has invested $ 250 million in the company .
Founder of car and battery company Toyota Prius that aims to be world leader . Billionaire Warren Buffet started the company in 29 years old when he was 1995 . Made mobile phone batteries then expanded into car manufacturing . Billionaire Warren Buffet has invested $ 250 million in the company .