These three technologies have long been in development, but might be finally ready for prime-time.
1.) Too good to be true? A self-sustaining garbage vaporizer that outputs fuel and a glass-like product that could be marketed for many uses. Ultimate waste management tool, if things pan out. New York City and Panama are ready to buy several of the multi-million dollar devices.
Full article from Popular Science here.
2.) How about a car that runs on compressed air? Video here.
Check out the FAQ page on the company's website, to answer many questions like safety and refueling costs/timing.
3.) Jeff Hawkins, creator of the Palm and Treo handhelds, has created a new company called Numenta, which may have made a breakthrough in AI, and is about to issue a 'research release' of its platform. http://www.numenta.com/
Jeff is also featured in the March edition of Wired magazine.