MIT researchers and collaborators announce progress on a solar thermoelectric generator, a solid-state device that can make electricity from the sun's heat.
Phononic Devices and Alphabet Energy attract investment from VCs and the military for semiconductors that efficiently convert waste heat into electricity.
Wake Forest researchers have developed a fabric of carbon nanotubes that potentially could generate power from a hot roof or be charged with body heat and used to power a phone.
The Mars mission will use an on-board nuclear generator to produce heat and, using thermoelectric devices, generate enough electricity to power the Curiosity robot for years.
The ARPA-E Summit opens today to tout potential game-changing clean energy technologies and convince Congress to further fund the program. Entrepreneurs say the program helps long-term projects.
Here's one way to make industry more efficient: A small DOE research project seeks to convert megawatts of wasted energy into usable heat and electricity.
Roundup: a mixed record on renewable-energy mandates, the denouement of the Tesla-Fisker legal tussle, and a collection of clean-tech sector predictions.
Quiet angel investor Quercus Trust puts money into Promethean Power, which is combining solar power and thermoelectrics to make refrigerators for rural India.
Escaped heat is an underused resource for electricity and heating. New technology and a push toward energy efficiency could make recycled energy more attractive.
GM and BMW plan to test devices that convert heat from a car's engine into usable electricity next year. Researchers are trying to develop more efficient materials.