<http://schema.org/alternativeHeadline>
"Last December, driving declined 1.6 percent across the U.S. compared to the previous year. That may not sound like much, but it's 3.8 billion miles."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/driving-less-these-days-join-the-big-american-club>