While the ethanol industry faces more skepticism, biofuel companies making drop-in replacements for petrofuels are moving out of demonstration stage to larger-scale production.
Biofuel company Kior gets $75 million loan from Mississippi to scale up its catalyst-based process for turning biomass into gasoline or diesel fuel.
Kior said it has a term sheet for a $1 billion loan guarantee from the DOE to build four plants that will convert wood chips into a gasoline substitute.
Venture capitalist calls report, which featured him and one of his portfolio companies, an "agenda-driven bastardization of news reporting."
Primus Green Energy has developed a process to convert wood pellets and natural gas into a high-octane gasoline. But can they do it cheap enough?
Making industrial chemicals from plants is easier to crack into than the cut-rate world of transportation fuels for young green-tech companies seeking a commercial foothold.
Famed tech investor Vinod Khosla says green tech will succeed when entrepreneurs follow their vision for disruptive technologies rather than expect consumers to pay a premium for green products.
To navigate uncertain policies in the U.S., clean-tech start-ups are trying to grow on the cheap and get first products online in China and other countries.
Techno-optimist and investor Vinod Khosla thinks that innovators need to think big and ignore the conventional wisdom when it comes to energy technologies.
A debate is growing between techno-optimists who argue for a sharp increase in clean-energy research to pursue breakthroughs and those who say we should push harder on existing green technologies.