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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?
Virent's technology for converting sugar water into replacements for gasoline, jet fuel, and diesel gets a boost with a $46.4 million investment from Shell, Cargill, and existing investors.
Paying for solar on commercial rooftops; more-efficient polysilicon and thin-film solar cells; JPMorgan buys into carbon trading; biogasoline; and GreenFuel Technologies' progress could mean the first commercial-scale algae fuel plant.
Ethanol is currently the star of biofuels, but new mandates will spur development of synthetic biofuels that mimic fossil fuels, policy analyst says.
A gasification system is set to convert more than 90 percent of the Denver Zoo's waste into energy that can, among other things, fuel a rickshaw.
Startup Virdia raises funds to test making sugar from wood chips, making it one of many companies trying to create sugars from non-food sources for chemicals, biofuel, or animal feed.
In the year 2030, Sony thinks we might swipe a card to use energy from one of our personal alternative power sources instead of from the electric company.
Seeking out cheaper biofuels, Boston-area start-up uses protein engineering to instruct sorghum and corn stover plants to break down more quickly into sugars.
Deal with Codexis seeks to make cellulosic ethanol more commercially viable through better biocatalysts.
Sapphire Energy, which has raised $50 million, says it is making 91-octane "green crude oil" from algae that is the chemical equivalent of gasoline.