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New batteries charge 70 percent in 2 minutes

Using a titanium dioxide gel, researchers make a battery that could one day allow electric cars to fuel up as fast as their gas-guzzling cousins.

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'Riding on the future': My first time on an electric unicycle

Crave writer Amanda Kooser overcomes her distrust of unicycles by ruling the road on the Focus Designs SBU V3 self-balancing electric unicycle.

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Green tech for hipsters: Get onboard before it goes mainstream

Living the green hipster life isn't all about retro tech. You can have the latest environmentally friendly innovations and still keep your hipster cred.

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Green-tech innovations for the hipster lifestyle (pictures)

Technology has a home in hipster-ville, especially when it's environmentally friendly, local or green.

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Microsoft aims to be greener and drops ALEC membership

The tech giant pulls out of the conservative lobbying group that is known to have pushed legislation to block renewable energy development.

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Smartphone charging spews out megatons of greenhouse gases

Juniper Research finds worldwide carbon dioxide emissions from cell phone charging will more than double by 2019.

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Google funds million-dollar contest for better power electronics

The Little Box Challenge is designed to shrink the size of power inverters, devices used in solar panels and electric cars. It's part of Google's effort to improve its green-tech image.

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Lego's deal with Shell drilled by well-oiled Greenpeace campaign

Averse to Lego's partnership with Shell, the environmental group posts a slick flick online that will make children's stomachs feel queasy.

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Dumpster-living professor out to make a point

Professor Dumpster is a combo of Bill Nye the Science Guy and Oscar the Grouch, and he wants to show us that living minimally can help save our cities. CNET Road Trip 2014 dives in.

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In Austin, Prof. Dumpster lives the good life (pictures)

Jeff Wilson is living in a dumpster, hoping to show Americans how much energy and water they waste. CNET Road Trip 2014 stopped by to see how the Dumpster Project could lead to healthier cities.

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Where to test-ride the 'Project LiveWire' electric Harley

Harley-Davidson is taking its electric motorcycle concept on the road to see if riders laugh or lust over it. Here's where you can test-ride Project LiveWire as soon as this week.

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New nano-dots could mean cheap, paint-on solar cells

They're too tiny to see, but a new form of light-sensitive nanoparticles could flood the world with solar power.

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CNET's Holiday Gift Guide

Tablets that put your TV to shame

Binge-watch your favorite episodes on these portable screens.