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Skyonic to capture carbon from coal in baking soda

Rather than pump smokestack gases underground to keep them out of the air, Skyonic wants to turn them into something else and sell them.

The Austin, Texas-based company this week started a pilot project of converting flue gases from a cement factory into industrial chemicals, including baking soda. This SkyMine project, located at in San Antonio, Texas, will test the company's "carbon mineralization" process, with the goal of starting construction of a commercial-scale facility by the third quarter of this year, according to Skyonic founder and CEO Joe Jones.

Carbon capture and storage often refers to separating … Read more

Companies to watch in green tech: Recycling

With Earth Day upon us again, CNET News.com green reporters sat down and selected five leading companies in five different clean technology categories. Here are the ones to watch in the recycling realm:

1. GreenFuel Technologies: Large oil companies and many academics favor capturing carbon dioxide, turning it into a liquid, and storing it underground. Politically, though, that's a tough sell.

GreenFuel, with a pedigree from Harvard and the Massachusetts Institute of Technology and millions in venture funding, wants to feed captured carbon dioxide to algae, and then turn the algae into biofuel. The company is still fine-tuning … Read more