<http://schema.org/description>
"The U.S. Department of Transportation says Americans drove nearly 3.15 trillion miles last year -- and that number may increase as gas prices drop. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2016/02/25/the-downside-of-low-gas-prices-more-traffic-than-ever/21318531/>