<http://schema.org/mainEntityOfPage>
<http://www.roadandtrack.com/car-shows/chicago-auto-show/news/a6964/2015-silverado-bi-fuel-heavy-duty-chicago/True>
<http://www.roadandtrack.com/car-shows/chicago-auto-show/news/a6964/2015-silverado-bi-fuel-heavy-duty-chicago/>