<http://schema.org/alternativeHeadline>
"Seattle and Denver lead the pack when it comes to efficient and clean energy use. But just like in a certain NFL championship game, only one winner can emerge from the 'Efficiency Bowl.' Which city will it be?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/energy/blogs/seattle-vs-denver-which-city-rules-in-the-realm-of-energy-efficiency>