<http://schema.org/about>
"In a move that could ban the sale products that aren't energy efficient, the EU has agreed to set environmental standards on \"energy-related\" household goods. Stuff like showerheads and windows will now need to meet an energy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/european-union-to-ban-goods-that-arent-energy-efficient.html>