One is easier on the lungs, one on the planet, and two use compounds from fireworks. Any one of these being tested by the US Army could replace the WWII-era smoke grenades still in use.
Porsche brings us a plug-in hybrid that proves that you don't not need to sacrifice speed for efficiently all the time.
The most consumer-friendly 3D printer just got easier to use.
The famed entertainer believes that global warming is "a load of socialist, communist crap." So no fluorescent lightbulbs and definitely no recyclable spoons.
Using recycled plastics, environmentally responsible materials, and an energy efficient charger LG says its new Optimus Elite is very planet-friendly.
A new electronic scooter that debuted at the Portland Auto Show makes for a compact, eco-friendly ride for city dwellers, but you might get some funny looks.
New Avenue Homes founder Kevin Casey is rethinking how we live by focusing on multi-generational living. SmartPlanet catches up with Casey on one of his construction projects.
The Thinksound ms01's tiny real wood headphones sound sweet.
Researchers have suggested that agave, the hardy plant from which the bitter liquor is distilled, is an ideal source from which to create the petrol substitute ethanol. Salt and lemon optional.
We've always been told driving and alcohol don't mix, but there's now a distinct possibility we could all be driving around tanked up on tequila.