Blog: Mother Earth Heals
by Liora Leah

Coffee/Algae Biofuels

Nevada team converts coffee grounds to biodiesel; says Starbucks could produce 3 million gallons from its waste! Algae biodiesel powered vehicle demonstrated at Sundance Film Festival! What will they think of next?

Date:   1/24/2008 3:14:10 AM   ( 14 y ) ... viewed 3313 times

From Biofuels Digest, the Daily Source for Biofuels News

Coffee  Grounds Biofuel:

In Nevada, a chemical and engineering team at the University of Nevada has developed a process to convert used coffee grounds to biodiesel. The researchers says that up to 3 million gallons of biodiesel could be produced annually just from the 100,000 tons of coffee ground produced by Starbucks each year. The team said that it concludes that the coffee-ground oil feedstock would cost between $0.45 to $1.84 less than feedstocks such as corn or soy, is more stable than comparable feedstock oils, and the grounds can be further processed into fuel for pellet stoves.

Algae Biofuel:

In Utah, the Sundance Film festival, which screened Josh Tickell’s documentary on renewable fuels, Fields of Fuel, was also host to a demonstration of algael-based biodiesel from Solazyme. The company had a demonstration car powered by its trademarked brand Soladiesel. The company is producing small batches of algae-based biodiesel and announced an feedstock testing and development agreement with Chevron Technology Ventures.

Solazyme announced in August that it had developed and tested a process for industrial-level production algae-based biodiesel.

Algae-based biodiesel has yield of up to 10,000 gallons per acre in laboratory testing, but industrial process to replicate these results economically and on the large-scale are now just underway nationwide.

Numerous US-based algae ventures have recently been in the news.

In California, the LiveFuels Alliance, funded by Menlo Park-based LiveFuels and Sandia National Laboratories, launched in September. The alliance will sponsor nationwide research into commercial biodiesel production from algae over the the next three years. Ventures such as PetroSun, US Sustainable Energy, Solazyme, Vertigro, and Old Dominion University are working on ventures located in Arizona, Texas, Georgia and Virginia. The Dutch firm Bioking debuted its algae-based biodiesel at the UK’s Biodiesel Expo last month, and Shell announced last week it is researching algae.


Sorghum Biofuel:

Organic Crops Reduce CO2 Emissions     Report from Great Britain states organic farming can reduce 30% of the world's CO2 emissions!!

Crop Biofuel Sham   "The conversion of forests and grasslands into fields for the plants offsets the benefit of using the fuel, researchers find. Greenhouse-gas output overall would rise instead of fall."

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