Originally in the textiles business, Berkshire Hathaway is now a holding company with subsidiaries across a number of industries, including insurance, freight rail transportation, and utilities.
BYD, a Chinese conglomerate, is the largest EV company based on the 4.0 million EVs it manufactured in 2024. Tesla built 1.8 million EVs in 2024, the most by a U.S. company and the second most in the ...