Narrow your search
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.
The start-up's futuristic ultracapacitor--a device that holds electricity and functions somewhat like a battery--may not hit the market until 2008.
EEstor. Think of it as a cross between Tesla Motors and the CIA.
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.
An update on EEstor, kind of; U.S. renewable energy policy still stalled; GE moves deeper into Spain with acquisition; questions about ethanol's impact on air quality; a look at politicking behind the Pickens Plan; Mass. signs a low-carbon fuel standard.