STWA AOT Midstream Oil Pipeline Efficiency System Readied for North American Installations

North American Supply Chain Members Gear Up for Scalable Production

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AXION Raises the Bar on Composite Rail Tie Performance

Continuous Improvements Produce Advances in Technology

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STWA Retains Law Firm With Energy Patent Expertise to Fortify Intellectual Patent Assets

Special Counsel Previously Served as Senior Patent Counsel for Halliburton

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IRTH Communications Sponsors 9th Annual Clean-Tech Investor Summit

Green-Tech Focused IR Firm Sponsors the Premier Clean-Tech Investment and Innovation Event of the Year

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Chevron VP & CTO John McDonald to Speak at 9th Annual Clean-Tech Investor Summit

PALM SPRINGS, CA -- (Marketwire) -- 01/31/13 -- The , presented by and chaired by --…

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First Solar CEO James Hughes to Speak at 9th Annual Clean-Tech Investor Summit

PALM SPRINGS, CA -- (Marketwire) -- 01/31/13 -- The , presented by and chaired by --…

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Maxwell Technologies CEO David Schramm to Speak at 9th Annual Clean-Tech Investor Summit

PALM SPRINGS, CA -- (Marketwire) -- 01/30/13 -- The , presented by and chaired by --…

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AXION Issues Letter to Shareholders

NEW PROVIDENCE, NJ -- (Marketwire) -- 01/28/13 -- . (OTCQB: AXIH), a leader in recycled plastic…

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Google.org Director of Energy Initiatives Dr. Arun Majumdar to Speak at 9th Annual Clean-Tech Investor Summit

PALM SPRINGS, CA -- (Marketwire) -- 01/23/13 -- The , presented by and chaired by --…

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ProGreen Strengthens Management Team

BIRMINGHAM, AL -- (Marketwire) -- 01/23/13 -- ProGreen Properties, Inc. (ProGreen) (OTCQB: PGEI) is pleased to…

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