?Solar Tunnel? To Power 4,000 Trains Annually

Europe’s first “solar tunnel” is providing power to high-speed trains running between Paris and Amsterdam.
The 3.6-kilometer (2.2-mile) tunnel, built to protect trains from falling trees as they pass through an ancient forest near Antwerp, is covered with solar cells and could generate 3.3 MWh of electricity annually. Enfinity, the company behind the project, says that’s [...]

Source: http://www.wired.com/autopia/2011/06/enfinity-solar-tunnel/

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