5334 Results for

carbon-negative

Review

Lenovo ThinkPad X1 Carbon

The third version of Lenovo's ultralight 14-inch laptop, the X1 Carbon, gets nearly all the basics right while adding a few new twists, including a function key row that changes app by app.

February 11, 2014

4 stars Editors' rating February 11, 2014
Article

Correction: Cheap carbon-negative energy

This report initially misstated the cost of generating energy using All Power Labs' machines. It's less than 10 cents a kilowatt hour.

By October 20, 2013

Article

Carbon-negative energy, a reality at last -- and cheap, too

In Berkeley, Calif., All Power Labs is turning out machines that convert cheap and abundant biomass into clean energy and rich, efficient charcoal fertilizer.

By October 19, 2013

Gallery

The world's only carbon-negative power source (pictures)

All Power Labs uses gasification to convert biomass -- which is cheap and everywhere -- into carbon-neutral energy. Plus it produces carbon-rich charcoal fertilizer.

18 Images By October 19, 2013

Video

Carbon-negative energy source powers homes on walnut shells

It's not exactly Mr. Fusion but it's getting close. All Power Labs in Berkeley, Calif., has built and sold hundreds of gasifiers around the world. The portable power source runs on organic material like corn cobs and coconut shells. But it's not just cleaner burning. Even the waste is good for the planet. All Power Lab's Tom Price shows us how it works.

By October 17, 2013

Review

JVC HA-S400 Carbon Nanotubes headphones

At around $26 online, JVC's HA-S400 Nanotubes are among the better on-ear headphones for the money.

May 13, 2014

3.5 stars Editors' rating May 13, 2014
Review

Carbon for Android

Carbon is beautiful and runs like a dream. But its developers still need to work on a few key features.

February 5, 2013

4.5 stars Editors' rating February 5, 2013

Pricing not available

Review

Lenovo ThinkPad X1 Carbon Touch

The business-oriented Lenovo ThinkPad X1 adds must-have features for 2013, and remains a very impressive business-oriented ultrabook with strong crossover appeal.

January 16, 2013

4 stars Editors' rating January 16, 2013

Pricing not available

Article

Hotel guests blackmailing owners with threat of negative reviews?

Some hotels and restaurants say customers are using the power of sites like TripAdvisor to finagle free benefits.

By May 9, 2014

Article

​How to find the positive in negative comments

The key to benefiting from online criticism is to ignore the trolls, acknowledge legitimate gripes, and realize the value of opposing viewpoints.

By April 30, 2014