Add Yahoo as a preferred source to see more of our stories on Google. Tesla is hiring again after laying off more than 10% of its staff in the spring. Tesla's hiring process can involve up to nine ...

Heron Power, backed by Andreessen Horowitz and Breakthrough Energy, is scaling up production of solid-state transformers that move power from renewable energy systems to the grid more efficiently.

A Tesla engineer said he's leaving the company because of Elon Musk's leadership. "The main reason I'm leaving is that I think Elon has dealt huge damage to Tesla's mission (and to the health of ...