The financial crisis in Europe is unlikely to derail Brussels' clean power vision.
Nighttime flight is an important milestone--but solar power is unlikely to transform aviation.
A DOE roadmap marks a return to research on a source of fuel that was once thought too costly.
SleepServer creates a virtual copy of a dozing machine.
Battery breakthroughs could lower costs and improve performance for electric vehicles and renewable energy storage--but commercializing these new technologies will be challenging.
A new method will reduce the cost and complexity of manufacturing.
Suntech CEO Zhengrong Shi made China a powerhouse in photovoltaic technology–and became a billionaire in the process. His next ambition: to make solar power as cheap as conventional electricity.
Lithium-ion batteries with nanotube electrodes could go longer between charges.
DOE funds will help finance construction of a geothermal facility using advanced technology.
Evaporative cooling plus drying with desiccants equals cool air for less cost.