Zero-emission driving may be more than hot air.
An MIT-based consortium is helping ensure that future cars have all the electrical power they need for features galore.
One researcher's unlikely crusade: to overthrow the on/off button.
There will be 10 billion people on Earth by 2100--and all of them can live comfortably if advances in energy-saving technology continue.
How should we teach kids Newtonian physics? Simple. Play computer games.
There's a power revolution coming, and it will run on hydrogen.
Experts say lack of goals bedevils new U.S. fuel-cell initiative.
New electronic toll tags will speed freight truck inspections. But the industry cries "Big Brother."
A proposed rapid transit system would levitate commuters to work in their own cars, gliding above the freeway.
While wind farmers around the world score points in generating juice, the U.S. slowly signs on.