An update on EEstor, kind of; U.S. renewable energy policy still stalled; GE moves deeper into Spain with acquisition; questions about ethanol's impact on air quality; a look at politicking behind the Pickens Plan; Mass. signs a low-carbon fuel standard.
After delaying its IPO and losing its CEO, the company reduces staff to navigate short-term challenges.
Weeks after losing its CEO, the biodiesel maker withdraws plans for its public offering.
Suddenly, Martin Tobias is out at Imperium while rumors swirl that the IPO is delayed.
Imperium and Solazyme want to put algae in the tank. Stay tuned for when.
Only 20 percent of the fuel in the 747 flown by Virgin was biodiesel, but it's a first.
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.
Will clean and green and skinny pay off?
This is yet another example of how a passionate entrepreneur is exploring the cleantech frontiers of what is possible, what is economical, what is environmentally-beneficial.