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purfresh

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Tracking food safety with clean tech

Purfresh, an ozone-purification company, makes Intellipur to monitor quality and sources of trouble related to food or drinks en route to grocery store shelves.

By Jul. 25, 2008

Article

It's sunscreen for produce

Fruits and vegetables get stressed by too much sun, too--but spraying a calcium carbonate powder on them can help.

By Dec. 10, 2007

Article

Report: Another biofuels company loses its CEO

Larry Gross is no longer CEO at AltraBiofuels, and so far there's no explanation for his departure. He's not the first former IT exec to leave an energy company in the past year.

By Apr. 17, 2008

Article

Companies to watch in green tech: Food and drink

You can live without electricity, but not water or food. A crop of new companies are trying to take the chemistry out of agriculture and eliminate crop pests and microbes the natural way.

By Apr. 21, 2008