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.
Daring to put a 1-liter engine in production, Ford shows that modern tech can get a lot of power out of only three cylinders.
Logitech calls its $79 Wireless Solar Keyboard K750 an innovation in typing technology, and after using our evaluation model for a week, we certainly agree.
Designer imagines a PS4 made largely from recyclable materials, with a zero-watt standby mode and an "Eco Restart" function that directly resumes saved games.
Porsche brings us a plug-in hybrid that proves that you don't not need to sacrifice speed for efficiently all the time.
We popped along to the Gadget Show Live to see what shiny kit was on display at the UK's largest consumer technology show.
Apple's usually calm and collected CEO Tim Cook is reported to have reacted angrily to suggestions that Apple only act for profit in future.
BMW are joining the eco party with the i3, the first in their eco focused "i" sub-brand. XCAR take a look at how BMW see the future of electric cars.
Chinese phone firm ZTE is getting in the modular mobile action with this, the Eco-Mobius.
The Eco-Mobius is a concept design from ZTE that enables users to switch out hardware components of their smartphones.