<http://schema.org/description>
"Of all the natural gas tractor trailers on the road, Clean Energy Fuels fills up 90% of them. Problem is, this really only accounts for 1,700 vehicles in an industry that has 3.2 million trucks on"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/06/21/clean-energy-fuels-biggest-opportunity/20630867/?gen=1>