Video: Fire engulfs pit crew during NASCAR Xfinity race at Richmond http://autoweek.com/video/nascar-xfinity/video-fire-engulfs-pit-crew-during-nascar-xfinity-race-richmond?utm_source=BreakingNews20150424&utm_medium=enewsletter&utm_term=headline-top&utm_content=body&utm_campaign=awbreakingnews