Water-powered cars continue to be the largest single topic taking over my in box--and the Comments section of this website. And it's not just my recent column on the truth about water-chugging ...

In a recent article published in the journal Sustainability, researchers presented an improved oxyhydrogen (HHO) generator designed to enhance vehicle fuel efficiency and reduce harmful emissions.

Olivia Hicks is a motorsport journalist covering everything electric, both on and off track. She grew up in Des Moines, Iowa, spending several afternoons peeking at the next day’s news in her father’s ...