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Electric car maker is moving ahead with plans to use EEStor's ultracapacitors, which the latter claims--with some dispute--will yield an affordable car-battery pack.
GM-Volt blog gets GM to admit to looking at battery technology from EEStor.
The CityZenn will hit a top speed of 80 miles per hour--but more importantly, it will be rechargeable in five minutes.
Defense contractor plans to evaluate energy storage systems from the ultracapacitor start-up. If all goes well, Lockheed will begin incorporating them into products.
The secretive Texas company loses a big fish on the board.
Batteries get all the attention when it comes to electric vehicles and grid storage, but ultracapacitor companies say the bursts of power they provide can play a role.
Kleiner Perkins partner hints at a big announcement in coming weeks from one of its transportation investments. Karma maker Fisker is the most likely candidate.
The start-up's futuristic ultracapacitor--a device that holds electricity and functions somewhat like a battery--may not hit the market until 2008.
Electric automaker tells investors that EEStor will come through on battery promises, mentions talks with partner for Zennergy drivetrain.
Green PC reviews; solar start-up Suniva's signs $500 million deal; DOE labs pursue zero-net energy buildings; wacky green-tech company ideas; Nissan's Eco Pedal helps stop lead foot driving; Paris Hilton's hot energy plan; and a reality check on EEStor.