FlipWing turbine Archives – The Green Optimistic green tech news, since 2008 Tue, 04 Aug 2009 04:35:04 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 New Underwater Turbines Use Shallow Water to Make Electricity https://www.greenoptimistic.com/hydrovolts-underwater-turbine-20090804/ https://www.greenoptimistic.com/hydrovolts-underwater-turbine-20090804/#respond Tue, 04 Aug 2009 04:35:04 +0000 https://www.greenoptimistic.com/?p=4259 Seattle-based Hydrovolts Inc. has developed a new system which can be used to generate electricity from small, unassuming waterways such as irrigation canals, without the use of dams.

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