The electric propulsion system for GM's new plug-in hybrid gives a silent yet powerful ride.
Kevin Bullis, Technology Review’s energy editor, spoke with Frank Weber and Tony Posowatz, GM executives, about GM’s new plug-in hybrid electric car called the Volt, and then took a test version of the vehicle for a rare test drive. (Note: The speed of the car, referenced in the video, is kilometers per hour.)
The company hopes to develop powerful, lightweight lithium-air batteries.
An Israeli startup says that it has a cheap process to make biofuels from cellulosic materials.
The large facility is meant to reflect a change of direction for the bankrupt company.
The draught-resistant "dream" biofuel is also a water hog.
Nokia hopes to create a device that could harvest enough power to keep a cell phone topped up.
Newly discovered methane hydrate reserves deep in the ocean show promise for mining.
The technologies behind the battery packs for the GM Volt are being tested and could be ready within a year.
A bill before Congress may prove a costly way to reduce greenhouse gases.