Imperium Renewables

Siemens buys Israel's Solel in $418M deal

October 15, 2009 - by Lisa Sibley - German powerhouse outbids its competitors in transaction that's expected to close before the end of the year. Full Story »

C-levels falling

March 16, 2009 - by the Cleantech Avenger - It's a topsy-turvy clean technology world, and the Avenger continues to work overtime to root out the rapscallions. Time and a half applies. Full Story »

Imperium raises new money to settle debts

October 3, 2008 - by Emma Ritch - Biodiesel company still “under stress” as it tries to resume operations at plant, CEO says. Full Story »

Turning algae into ethanol, and gold

June 11, 2008 - by Carli Ghelfi - No ponds, no fresh water, no harvesting, no oils. One algal biofuel company says it's found a way to convert algae directly into ethanol on the cheap. Full Story »

My biorefinery is bigger than yours

GreenHunter Biorefinery

Even the biorefineries are big in Texas.

It never ends, does it?

Today Houston, TX-based GreenHunter Energy (AMEX: GRH) announced celebration plans for next week's opening and tap-turning (as they say) of its new biodiesel refinery—which it claims is the 'nation's single largest' to date.

Smells like fish in the fog

May 30, 2008 - by the Cleantech Avenger - Short changing, improper relationships, and rumors. It must be Friday. And it must be the Cleantech Avenger! Full Story »

Greenline's waterless biodiesel pulls in funding

April 7, 2008 - by David Ehrlich - Leaf Clean Energy, formed by the Shaw Group, is investing $20 million in Greenline's technology. Full Story »

Cleantech water deals diving into rough market

April 1, 2008 - by David Ehrlich - American Water Works is back with a big offering, and Energy Recovery is also on the way with an initial share sale. Full Story »

Pacific Ethanol gets a cash infusion

March 28, 2008 - by David Ehrlich - The company, which has reported liquidity issues, pulled in the cash amid a shaky time for the ethanol industry. Full Story »

Lighting, biofuels lead funding pack

March 20, 2008 - by David Ehrlich - Cash flows for efficient lighting and cellulosic ethanol, but one company's offering gets cut, along with nine other deals spotted over the past week. Full Story »
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