SunMan Engineering Introduces an exiting new technology to help shopping centers create green energy. The Green Speed Bump is a speedbump that generates electricity when cars roll over it. For more information about renewable energy resources and green technology contact us at info@sunmantechnology.com
http://www.sunmantechnology.com
Interesting concept, good luck!
BambooOutfitters 3 years ago
how does it work
1888junkteam 3 years ago