Tucson-based Sion Power Corp. is rolling out its high-performance lithium-metal battery to the world, with plans to supply the electric-vehicle industry from a new manufacturing plant in the Old ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. That gut feeling that tells you to sprint ...

If you own a recent iPhone with Apple Intelligence, this system setting is already helping to improve power management. Here's how it works. Jeff Carlson writes about mobile technology for CNET. He is ...