Fire and smoke spew from an oil train that derailed in Heimdal, North Dakota, on Wednesday, May 6.
Fire and smoke spew from an oil train that derailed in Heimdal, North Dakota, on Wednesday, May 6.
Curt Benson/AP
A train hauling crude oil <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2015%2F02%2F17%2Fus%2Fwest-virginia-train-derailment%2Findex.html">derailed in Mount Carbon, West Virginia</a>, in February. One home was destroyed, and one person was injured.
A train hauling crude oil derailed in Mount Carbon, West Virginia, in February. One home was destroyed, and one person was injured.
Tom Hindman/Charleston Daily Mail/AP
A train full of crude oil<a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2014%2F05%2F01%2Fus%2Fvirginia-train-derailment%2Findex.html"> jumped the tracks and caught fire</a> in Lynchburg, Virginia, in May 2014. There were no injuries in the derailment, but the resulting fire sent a pillar of black smoke rising over the city of about 78,000 people and forced the evacuation of much of its downtown for several hours.<br />
A train full of crude oil jumped the tracks and caught fire in Lynchburg, Virginia, in May 2014. There were no injuries in the derailment, but the resulting fire sent a pillar of black smoke rising over the city of about 78,000 people and forced the evacuation of much of its downtown for several hours.
Curtis Tate/MCT via Getty Images
Oil tank cars overturned after a train derailment in Vandergrift, Pennsylvania, in February 2014.
Oil tank cars overturned after a train derailment in Vandergrift, Pennsylvania, in February 2014.
JASON COHN/ REUTERS /LANDOV
A freight train loaded with crude oil and propane derailed in Plaster Rock, New Brunswick, in January 2014.
A freight train loaded with crude oil and propane derailed in Plaster Rock, New Brunswick, in January 2014.
Tom Bateman/The Canadian Press/AP
Massive flames filled the sky after an oil train derailment in Casselton, North Dakota, in December 2013.<br /><br />
Massive flames filled the sky after an oil train derailment in Casselton, North Dakota, in December 2013.
Bruce Crummy/AP
Oil floated on swamp waters near Aliceville, Alabama, months after a November 2013 oil train crash.<br />
Oil floated on swamp waters near Aliceville, Alabama, months after a November 2013 oil train crash.
Jay Reeves/AP
Fire erupted after a train carrying oil and gas derailed in Gainford, Alberta, in October 2013.
Fire erupted after a train carrying oil and gas derailed in Gainford, Alberta, in October 2013.
RCMP/The Canadian Press/AP
The derailment in Lac Mégantic, Quebec, was among the most disastrous in modern North America. Forty-seven people died, some 40 buildings were destroyed and 53 vehicles were demolished when the 63 tank cars and two boxcars derailed and erupted in flames in July 2013.
The derailment in Lac Mégantic, Quebec, was among the most disastrous in modern North America. Forty-seven people died, some 40 buildings were destroyed and 53 vehicles were demolished when the 63 tank cars and two boxcars derailed and erupted in flames in July 2013.
Francois Laplante-Delagrave/AFP/Getty Images