OK, we admit, we're a long way from a carbon-free grid—but when we have one, what's the most efficient way to use that energy ...

Some air travelers might be bringing home more than just souvenirs after embarking on a trip. One woman traveling on a Turkish Airlines flight from Johannesburg to Istanbul said she witnessed a ...

Something as simple as old soda cans and seawater could help power our clean energy ... As Kombargi notes, “The next part is to figure out how to use this for trucks, trains, and maybe airplanes.