Tesla CEO Elon Musk's tweeting habits have triggered another legal challenge from stock market regulators worried about him using his Twitter account to mislead investors. The latest dust-up emerged late Monday when the Securities and Exchange Commission asked a federal...

Electric cars are supposed to be more reliable than internal combustion models. Certainly, they have a lot fewer moving parts and need a lot less lubrication. Yet Tesla, like most corner auto dealerships, has made money selling extended service plans...

It wasn't quite a message in a bottle, but Tesla boss Elon Musk tweeted Saturday night some specifications and a ballpark price for his company's long-awaited all-wheel-drive and performance versions of the Model 3.The all-wheel-drive Model 3 will add $5,0...

Tesla CEO Elon Musk should not be found in contempt of court because he has complied with the terms of a securities fraud settlement, his attorneys wrote in documents filed Monday night with the U. S. District Court in Manhattan...

Tesla announced Wednesday that it would release a complete update to its Autopilot system later this month, including new self-driving capabilities.The new version, which Tesla owners and fans have long-awaited, will update the system with faster hardware

A wireless update of antilock braking software improved the stopping distance of Tesla's electric Model 3, prompting Consumer Reports to reverse course and give the car its Recommended Buy rating.The magazine said Wednesday that the update cut 19 feet off...

As Tesla has scrambled to revamp its model lineup in the face of lower tax credits and falling U. S. sales, some new variants have gone on sale before the EPA's site, FuelEconomy. gov, has even posted those updated ratings...

Tesla managed to eke out a small fourth-quarter profit to close 2018, and it pledged to make money in all quarters this year. But staying in the black will be difficult with a major debt payment due and slowing demand...