<http://schema.org/alternativeHeadline>
"Video: Scientist develop biofuels out of grass clippings and other organic waste. NBC's Brian Mooar reports."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/energy/videos/video-scientists-develop-grassoline-out-of-lawn-clippings>