High-tech and highly efficient batteries have led to many modern technologies that you use in your everyday life. Here's what you need to know about how they work and their environmental safety.

Enemies surround Tommy, and he doesn’t even realize it on Power Book IV: Force Season 3 Episode 6. Read our review of the best episode yet!

Faith Foushee is a CNET contributor and a former writer for SaveOnEnergy.com, covering energy-efficient products, renewables and other energy topics. She enjoys learning about new energy technology ...

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