The Tesla Model S luxury electric sedan will get an upgrade of its highest-capacity battery pack, from 85 to 90 kilowatt-hours, as well as a new optional high-performance mode called "Ludicrous" mode.

NEW YORK (AP) — Tesla Motors says it’s adding a new “Ludicrous Mode” to high-performance versions of its Model S electric car. CEO Elon Musk said Friday that the upgrade will cost $10,000 for new ...

John Neff has spent 22 years leading automotive websites such as Autoblog and Motor1. He's now switched to the simple life of writing about cars himself instead of managing others who do it. After 22 ...