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Discoblog
« Could Autism Be the Next Stage of Human Evolution?
Paris Hilton Doesn’t Do Drugs, She Is a Drug. A Pain-Killer. »

Hey, There’s Algae in My Oil!

Oil hit $97 a barrel today, but mostly insiders have made a big deal about the upward trends in price per barrel of late. Sure, when it hits $100, a headline or two will appear, buried under the war in Iraq, Hillary’s march on Washington, and some holiday recipes, but pricey crude is out of most people’s minds.

Why is the public not panicking about the high oil prices? For one, it’s not hitting where it hurts nearly as hard as it could, with prices at the pump at an uncomfortable, but internationally cheap U.S. average of $3.06 this week. For another, we’ve been hearing about the rise of oil prices from everyone for years—a daily dose from CNN, The Wall Street Journal and even straight shooting from out of President Bush’s mouth—all saying that oil isn’t going to get cheaper.

But it doesn’t seem like this a problem of boy cries wolf, public stops listening, boy gets eaten by wolf. Plenty of companies have been sinking good money into alternative oil schemes, looking to replace our fine crude with corn-based ethanol (a favorite among politicians); grease from fast-food joints (a favorite among garage enthusiasts); switch grass, willows, and fungus (a favorite among niche researchers); liquid coal (nobody’s favorite); and better batteries (everybody’s favorite), just to name a few.

One that has stayed pretty far off the radar is oil from algae. But if oil heavyweight Chevron has anything to do with it, algae will be on everybody’s mind as an oil alternative soon enough.


Chevron, who expects to drop $2.5 billion in alternative energy from 2007 to 2009, is partnering with the U.S. Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) to research ways of putting algae-oil in your gas tank. Algae is everywhere, grows quite easily, and its energy return (how much energy you get out over how much you put in to grow and harvest it) could dwarf that of corn-based ethanol (for which you get about 1.5 units of energy for every 1 put in), although it won’t quite stand up to extracting crude oil (where it can be as high as 200 to 1).

This isn’t the first time that the DOE has taken a look at algae. In 1996, the DOE released a Biodiesel to Algae study that came up with such forward looking analyses as: “estimates showed that algal biodiesel cost would range from $1.40 to $4.40 per gallon based on current and long-term projections for the performance of the technology. Even with assumptions of $50 per ton of CO2 as a carbon credit, the cost of [this] biodiesel never competes with the projected cost of petroleum diesel.”

With prices at the pump at $1.16 in January of 1996*, this might have made sense (but, really, how long did they think prices would remain there?). Now, thanks to $100 barrels and $3.00-plus pump prices, the times, they are a changing. And the algae, it will continue to grow.

Share

November 6th, 2007 5:45 PM by Tyghe Trimble in Pollution Solutions (& Disasters), Technology Attacks! | 1 comments | RSS feed | Trackback >

  • frank weigert

    Botryococcus braunii is a pelagic algae that grows in the Indian Ocean. Its various strains make isoprene oligomers with different average molecular weights, mostly centered around n=6. What matters most is that the dry weight of the most prolific strain is OVER 70% HYDROCARBON. This is algae truly is a fuel plant.

    Oil companies could feed these hydrocarbons directly into existing refineries. Electricity generators could directly replace coal with them. Because the hydrocarbons contain no sulfur, nitrogen, metals or ash, most existing pollution abatement and catalyst guard investment could be shut down as unnecessary. This is a really sweet feedstock.

    For more details and some economic background see the website:

    http://alum.mit.edu/ne/whatmatters/200111.index.html.





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      Discoblog is DISCOVER's compendium of quirky, funny, and surprising science news from the edge of the known universe. It's written by Veronique Greenwood and Valerie Ross. Email tips and suggestions to vgreenwood [at] discovermagazine [dot] com.

      Discoblog also includes the daily feature NCBI ROFL, in which two prone-to-distraction grad students post real scientific articles with funny subjects. Email your tips to ncbirofl [at] gmail.com. Follow the ROFL feed here.

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