Northwest power surplus may halt wind energy

(AP) -- The manager of most of the electricity in the Pacific Northwest is running such a surplus of power from hydroelectric dams that it put wind farms on notice Friday that they may be shut down as early as this weekend.

Tesla patent describes hybrid battery pack system for EVs

(Phys.org) —A Tesla Motors patent application filed earlier this year shows the company's interest in a hybrid battery pack using lithium ion and metal-air batteries. The patent is titled "Electric Vehicle Extended Range ...

Engineers use brain cells to power smart grid

(Phys.org) —The unmatched ability of the human brain to process and make sense of large amounts of complex data has caught the attention of engineers working in the field of control systems.

Container ships become more energy-efficient

Technology and Software from Siemens are making the world's largest container ships more energy-efficient. The Korean shipbuilding company Daewoo is building 20 container ships for the Danish shipping company Maersk, each ...

New cathode material creates possibilities for sodium-ion batteries

Led by the inventor of the lithium-ion battery, a team of researchers in the Cockrell School of Engineering at The University of Texas at Austin has identified a new safe and sustainable cathode material for low-cost sodium-ion ...

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