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Ethanol maker VeraSun files for bankruptcy

A sign of trouble in the ethanol business, VeraSun seeks bankruptcy protection after a rapid decline in corn prices and a misplaced bet on feedstock purchases.

By November 3, 2008


VeraSun to squeeze ethanol, biodiesel from same corn

Company has plans for a plant that will produce two alternative fuels.

By November 3, 2006


Green news harvest: Mergers squeeze ethanol, solar

Consolidation comes to green tech: Oil refiner Valero snaps up the ethanol refineries of bankrupt VeraSun while solar developer Recurrent Energy buys another company's project pipeline.

By March 19, 2009


A Dickensian view of clean-tech financing

There's plenty of enthusiasm for funding the latest green-tech or alternative-fuel company. The problem is the economy stinks, and doesn't look like it will improve anytime soon.

By January 23, 2009


Small is beautiful for green-tech newbies

Even amid the economic gloom, smaller clean-tech start-ups in efficiency and renewable energy are being funded because demand for their products remains strong.

By December 10, 2008


Slowing expectations at a green-tech start-up

Six months ago, biofuels start-up Mascoma had the wind in its sails, as did the rest of the clean-tech sector. Now, the company is treading carefully and scaling back.

By December 4, 2008


Green news harvest: Ethanol shake-out looms

Corn ethanol firms talk merger, clean-tech researcher predicts a shift to quality in investments, and Calgary researchers develop a CO2 "air scrubber."

By November 26, 2008


Ethanol start-up Mascoma sheds staffers

To "get ahead of" future challenges brought by capital market turmoil, second-generation ethanol company lays off president and other executives in an effort to preserve cash.

By November 14, 2008


Green news harvest: Algae progress, corn ethanol woes

Algae demonstration plant in Colorado, Pacific Ethanol's quarterly loss, a peek at a quiet clean-tech energy investor, using biomass from Hurricane Ike instead of coal, Fisker expands in Michigan, and the ethanol "blend wall."

By November 11, 2008


CNET News Daily Podcast: Why e-voting's still a mess

In 2002, President Bush signed legislation to avoid a repeat of the "hanging chad" fiasco of the 2000 elections. But as the U.S. heads to the polls, worries about e-voting still linger.

By November 3, 2008