A More Fuel-Like Biofuel - Producing Biofuels That Actually Resemble Gasoline

The offspring of Jay Keasling's synthetic biologyYou have a designer fuel. And being hydrocarbons
research and vision, Emeryville, CA-based Amyriswith properties similar to gasoline, terpenes do not
Biotechnologies has made a double impact. First, thesuffer from the limitations that alcohols (particularly
company, with more than $40 million of backing fromethanol) have as fuels. If you want to put something
the Bill Gates' Institute for One World Health charity,into your gas tank or jet engine, a designer
developed a microbial route to the anti-malarialhydrocarbon is likely to be superior to any alcohol. At
compound artemisinin. In and of itself this work wasleast that is what Amyris argues.
a stunningly successful scientific achievement, and theAmyris has the backing of a well-heeled group of
resulting process has been licensed to Sanofi-AventisVCs: Kleiner Perkins, TPG Biotech, and DAG Ventures.
for low-cost manufacturing and distribution in theIn the area of bio-based production of gasoline-like
third world.fuels, Amyris is at the head of the class. Economics
But how does that relate to biofuels? Well, producingremain to be proven, but Amyris has formed a joint
the anti-malarial drug relied on the engineering of aventure with the second largest Brazilian sugar
metabolic pathway to produce a key intermediateproducer, Crystalsev, to get access to inexpensive
that is in the class of chemicals called terpenes.sugar feedstock, and the first demonstration plant is
Chemically, terpenes are hydrocarbons, similar toscheduled to be built right on the sugar plantation in
diesel or gasoline, and are therefore very good fuelBrazil by 2010. It will produce a biodiesel (with the
compounds. Thus, the same basic science that led tointeresting name of "No CompromiseTM"), currently
artemisinin can be applied, with appropriate tweaking,being piloted at Amyris' Emerville facility. Amyris
to produce fuels based on terpenes. And accordingpromises that a bio-gasoline and a bio-aviation fuel
to the company, a desired fuel compound can beare not far behind. If any company can make
selected based on its properties (flash point, cloudterpene-based fuels successfully, Amyris appears to
point, boiling point, density, fuel value, etc), and thenbe that company.
the pathway to produce it can be designed. Voila!