For the first time, the electric vehicle maker's market share is under 50%.
The industry may need to cut costs to bring down stickier prices.
U.S. legacy automakers are losing ground to Tesla and Chinese companies like BYD in China, once considered a major new market.
It's not easy to start a carmaker, especially with rivals like Tesla, GM, Ford and Toyota, which have market share and manufacturing experience.
When your EV is no longer under warranty, who fixes it?
Standardization of electric vehicle chargers across the country mean they'll be able to serve all models of cars.
Federal subsidies, part of the White House's electric vehicle push, aren't the only way Tesla stands to make money on the expansion.
University of Michigan's Erik Gordon says Musk may have offered us salient advice: don't take what he says as gospel.
EVs account for about 5% of car purchases, according to automotive website Edmunds. Rivals to Tesla are making inroads.
Tribal nations, just like states, strive to create a regulatory environment that may bring economic benefits.