The Oclean X Ultra S is the first electric toothbrush to use voice prompts that guide your brushing technique — but is it ...

Millions of Americans remained under air-quality alerts as more than 200 Canadian wildfires continued to rage, with hazardous ...

Engineers develop a liquid-based energy system inspired by the human body, offering efficient power for robots and chemical processes.

Ignoring signs of a failing battery could lead to vehicle performance issues, or even leave you stranded. What you should know.

Electric vehicles leave behind mountains of dead lithium-ion batteries. A new “injection” brings them back to life ...

New York City is full of e-bikes. You see them everywhere—especially with delivery workers racing from one drop-off to the ...

More than $14 billion in clean energy investments in the U.S. have been canceled or delayed this year, according to an ...