46 Results for

carbon-negative

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

Article

Tech Car Buying Guide

Over the last decade, digital technology changed cars substantially. There are a host of new options and other vehicle components to consider when shopping for a new car these days.

By August 30, 2013

Article

Weighing the environmental costs: buy an e-reader or a shelf of books?

Bookshelves towering floor to ceiling filled with weighty tomes, or one book-sized device holding hundreds of "books" in electronic form — which one of these options for the voracious reader creates the least damaging environmental footprint?

By July 26, 2012

Article

The hybrid premium: How much more does a hybrid car cost?

Hybrid cars tend to cost a bit more than their equivalent nonhybrid counterparts, but how much more? CNET looks at a selection of mostly midsize sedans to analyze the differences.

By April 30, 2012

Article

New lead-acid battery angles for micro hybrids

In the technology race to build energy storage systems for start stop hybrids, Axion Power is pushing an advance on the workhorse lead-acid battery.

By January 6, 2012

Article

Can a desert tree fight global warming?

Salt cedars native to barren deserts might combat deforestation effects and serve as an agro-friendly biofuel.

By October 27, 2011

Article

GE unit invests in biofuels producer

Cool Planet Biofuels, a start-up that converts plant waste into biofuel, scores $8 million in funding via GE joint partnership with North Bridge Venture Partners. GE gets a seat on the board.

By November 17, 2010