SAN FRANCISCO — Hewlett-Packard on Wednesday launched a touchscreen tablet and two new smartphones powered by Palm’s mobile operating system, webOS.

Dubbed the TouchPad, the HP tablet has a 9.7-inch screen with 1024 x 768 resolution, a front-facing camera for videoconferencing and a dual-core 1.2-GHz processor.

Due for a summer release, the TouchPad also includes stereo speakers, gyroscope and accelerometer sensors, Bluetooth compatibility and support for Adobe Flash. HP did not announce a price tag.

“For the first time webOS is available on a form factor that lets the intuitive elegance of the p...

When we first saw a production-ready version of the very impressive Nissan Leaf two years ago, we asked the brass, “Great. When do we see an electric Z?”

Next month, actually.

The Japanese automaker rolls into the Geneva auto show with the Esflow, a slick concept built from the ground up to be an electric sports car approaching the Tesla Roadster. Rather than simply slap an electric motor — two, actually — in a Nissan 370Z and call it a day, the engineers say they designed the Esflow from the ground up.

Nissan didn’t offer any specs beyond saying the car has two motors mounted just above and a...