I know its not printing but this new sign for Ricoh is powered by wind and solar electricity, the eco board is 100% sustainable.
Revolutionising the world of roadside advertising UK-based electronics firm Ricoh has unveiled what they are calling the ‘eco board’. Powered solely by wind and solar energy the electronic billboard can be seen on the side of the M4 approaching London near Heathrow airport.The project, which features Europe’s first ever wind and solar powered roadside electronic billboard, is expected to spur an increase in this kind of advertising in a bid to work towards Government’s carbon reduction targets.
The billboard, which is made up of 96 solar panels and five propellers, is expected to generate 5,178Wh a year. The system is also is equipped with an indicator showing how much electricity is remaining in the battery. The lighting method is changed depending upon the amount of the electricity remaining in the battery.
http://www.solarpowerportal.co.uk/news/ricoh_unveils_europes_first_eco_board_9876/
From the Location aspect, the billboard is very high, prospects may not be attract to see it.
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