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Green Tech America

About Green Tech America

Green Tech America, Inc. (GTA) is in the business of developing and commercializing an yeast-based cellulosic ethanol technology that was pioneered by Dr. Nancy Ho at Purdue University. Cellulosic biomass (corn cobs and stover, wheat and rice straws, wood, grasses, municipal paper wastes, etc) is renewable and abundantly available in the United States. The application of cellulosic ethanol to transportation will help solve the company's Nation's energy problems, strengthen the company's economy, save the company's environment, and have a beneficial impact on the company's society. GTA is dedicated to making the production of cellulosic ethanol a reality in this country. The goal of GTA is to establish a cutting-edge company that supports and collaborates with ethanol producers to make the production of cellulosic ethanol a highly profitable business. Based on the Cellulosic Ethanol Yeast Technology developed by Dr. Ho and her colleagues at Purdue University, GTA will optimize the technical details and establish a blueprint for cellulosic ethanol production. The "blueprint" will then be licensed to other ethanol producers throughout the US and around the world to establish franchises for cellulosic ethanol production.GTA will provide cells, enzymes, chemicals, project management and technical support to the cellulosic ethanol producers, particularly to the numerous newly established corn-ethanol farmer-owned plants. The goal is to transform such plants to produce both corn- and cellulosic-ethanol. However, GTA's main business at the present time is to help the Purdue researchers engineer the yeast to produce important industrial products that can be produced alone or co-produced during ethanol production. Most importantly, the resulting yeasts can efficiently produce these co-products during the production of ethanol using sugars from both grain and cellulosic biomass as feedstocks.The Saccharomyces co-production technology to be marketed by GTA will make both the current grain-to-ethanol and the emergent cellulosic ethanol process more cost effective and profitable. The first generation of co-products that GTA plans to produce are substances important for animal feed, for the detergent industry, for the paper and fabric industry, as well as others. In addition, GTA will also market high valued products and residues, such as yeast extracts, from the yeast cells. More importantly, GTA will generate a range of other products produced from renewable resources for sustainable growth. GTA will also provide the R&D as well as the technical consultants for all small corn- or cellulosic-ethanol producers.

Headquarters Location

West Lafayette, Indiana, 47906,

United States

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Expert Collections containing Green Tech America

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Green Tech America is included in 1 Expert Collection, including Renewable Energy.


Renewable Energy

2,871 items

Includes companies working on technology to support renewable energy generation.

Green Tech America Patents

Green Tech America has filed 1 patent.

patents chart

Application Date

Grant Date


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Application Date


Grant Date



Related Topics

Acetylcholinesterase inhibitors, Organophosphate insecticides, Alzheimer's disease, Prodrugs, Quaternary ammonium compounds



Green Tech America Frequently Asked Questions (FAQ)

  • Where is Green Tech America's headquarters?

    Green Tech America's headquarters is located at West Lafayette.

  • Who are Green Tech America's competitors?

    Competitors of Green Tech America include Fulcrum BioEnergy, Lynntech, Gevo, zuChem, Qteros and 10 more.

Compare Green Tech America to Competitors


Xylofuel aims to license out patented processes for converting plant fiber to fuel ethanol and other products. University of Maryland researchers discovered a bacterium that can readily digest and ferment various forms of plant fiber to ethanol.


Vital Renewable Energy Company (VREC) is a renewable energy company focused on the development of sugar cane based ethanol and electricity generation in Brazil, as well as related infrastructure projects. VREC is constructing and will operate greenfield sugar cane ethanol facilities with already developed agricultural plans and make opportunistic investments in existing ethanol facilities. VREC has partnered with Grupo Farias, a experienced Brazilian ethanol producer, in order to benefit from its operational expertise and ability to identify strategic opportunities, allowing VREC to promptly capture a share in its market.

SuGanit Systems

Suganit Systems Inc is a Reston, VA based company that has received a grant(s) from the Department of Energy's SBIR/STTR program. The abstract(s) for these grant award(s) are provided as well since they provide insights into Suganit Systems Inc's business and areas of expertise. This project will develop a processing method for the conversion of wood, grasses and other nonfood crop feedstocks, into sugars. Ionic liquids (low melting temperature salts) will be used to dramatically ease conversion of biomass sugar polymers to fuel ethanol.

Cellencor Corporation

Cellencor Corporation is a new company whose aims to reshape the economics of the global renewable energy industry. Transformative technology will be offered to ethanol and other cellulosic energy providers


zuChem is a leading producer of unique sugars for human health and nutrition. The company develops technologies for the manufacture of glycochemicals and carbohydrates for use in the food, specialty and fine chemical markets. The zuChem approach is unique, combining new technologies with the more traditional synthetic techniques. zuChem researchers have a proven track record in developing and implementing scalable, industrial quality processes.

Trillium FiberFuels

Trillium FiberFuels, Inc. is a Corvallis, OR based company that has received a grant(s) from the Department of Energy's SBIR/STTR program. The abstract(s) for these grant award(s) are provided as well since they provide insights into Trillium FiberFuels, Inc.'s business and areas of expertise. This project will use an industrial enzyme to convert a "difficult" sugar (xylose) into a fermentable sugar. Use of the enzyme will enable higher utilization of sugars from biomass and make cellulosic ethanol an economically viable source of energy.

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