Range Energy, a Mountain View-based startup, wants to challenge Tesla in the race to electrify big rigs.

The new agreement, which builds on an earlier announcement, calls for the German automaker to invest $5.8 billion in Rivian, ...

Makers of electric vehicles, such as Rivian and Tesla, are taking a central role in the $162 billion fuel cost hike being ...

The best solar batteries keep the lights on during a power outage and shift energy consumption, making them a sensible ...