Transporting oil by rail is new to the San Francisco Bay Area.  "In 2008 no crude came by rail, and I think in 2013 it was more than 6 million barrels," said Molly Samuel, reporter for KQED Science.  People in the Bay Area are worried about the safety of these trains, "there have been derailments and explosions in Alabama, in Virginia, in North Dakota, so we've just seen [the oil] is more volatile, and the train cars that are carrying it aren't safe enough."