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A Texas company says it can make a new ultracapacitor power system to replace the electrochemical batteries in everything from cars to laptops.
Improved chargers cut down on wait times, but they’re expensive, among other drawbacks.
Tesla is set to announce a way to make recharging its electric vehicles faster than filling up a gas tank.
As major automakers turn their attention to electric cars, the company faces serious challenges.
A 19th-century idea might lead to cleaner cars, larger-scale renewable energy.
BMW’s approach to quelling range anxiety differs markedly from the tactics of other automakers.
Tesla’s profitable cars, cheap LEDs, half-price nuclear, and cheaper carbon capture are highlights of this year’s progress in clean energy.
The $2.4 billion program designed to jump-start the battery industry has met with horrible market conditions.
A second recall of its batteries calls the company’s future into question.