Four easy tips to make your batteries last longer

Here are a few things you can do to make your lithium-ion (Li-ion) batteries last longer, whether they be used in an electric car, a large home installation – such as Tesla's newly announced Powerwall – or in your portable ...

Power to the batteries

Better solar panels and wind turbines are important to helping ensure a low-carbon future. But they are not enough. The energy from these intermittent sources must be stored, managed, converted and accessed when it's needed ...

Tesla updating Model S to ease range anxiety, improve safety

Tesla Motors is updating its Model S electric car to help ease drivers' worries about running out of battery charge—and is hinting that in the future drivers can take their hands off the wheel altogether.

Daimler acquires lithium-ion battery maker

Automaker Daimler AG is acquiring the remaining shares in a lithium-ion battery cell maker from specialty chemical company Evonik Industries AG as it intensifies its focus on electric cars.

US closes investigation of Tesla battery fires

The U.S. government's auto safety watchdog has closed an investigation into Tesla electric car battery fires after the company said it would install more shields beneath the cars.

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