<http://schema.org/alternativeHeadline>
"Volkswagen has a major new eco-car, with both natural gas and electric models. That was just one of many green introductions at this year's Frankfurt motor show."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/europe-once-the-land-of-the-diesel-is-now-plugging-in-with-a-vengean>