WASHINGTON – The deadly explosion of a runaway oil train in Canada highlights the risks that come from transporting oil, no matter the method.
Spills from rail cars occur more frequently than from pipelines, but tend to be smaller. And pipelines can be built to avoid population centers and fragile ecosystems, while trains travel routes where such concerns often were not weighed.
The Quebec disaster, blamed for more than a dozen deaths as of late Monday, underscores a trend in which North America’s oil is increasingly transported by train as plans for new pipelines stall and existing lines struggle to keep up with demand.
Since 2009, the number of train cars carrying crude oil hauled by major railroads has jumped nearly 20-fold, to an estimated 200,000 last year.
Much of that comes from the Bakken oil patch in North Dakota and Montana, including the oil that spilled Saturday in Lac-Megantic, Quebec. Because of limited pipeline capacity in the Bakken region and Canada, oil producers are increasingly using railroads to transport oil to refineries. The train that derailed early Saturday was on its way to a refinery in New Brunswick.
All but one of the train’s 73 tanker cars were carrying oil when they somehow came loose, sped downhill nearly 7 miles into the town of Lac-Megantic, near the Maine border, and derailed, with at least five cars exploding. It was not clear how fast the cars were moving when they derailed.
The Canadian Railway Association estimates that as many as 140,000 carloads of crude oil will be shipped on Canada’s tracks this year, up from 500 carloads in 2009. The Quebec disaster is the fourth freight train accident in Canada this year involving crude oil shipments.
Canadian Prime Minister Stephen Harper, who has been pushing the Obama administration to approve the controversial Keystone XL oil pipeline from Canada to the U.S. Gulf Coast, has called railroad transit “far more environmentally challenging” than pipelines. Harper says the 1,700-mile Keystone project, which would carry oil derived from tar sands in western Canada to refineries in Texas, is crucial to his country’s economic well-being.
“The only real immediate environmental issue here is, do we want to increase the flow of oil from Canada by pipeline or via rail?” Harper said during a visit to New York in May.
Fadel Gheit, an energy analyst at Oppenheimer & Co. Inc., said it would be a mistake to view the Quebec disaster as a boost for the Keystone project.
“It’s almost jumping from the frying pan into the fire,” Gheit said Monday. “I look better because the other guy looks worse.”
Gheit, who supports the Keystone pipeline, said Harper and other pipeline proponents will need to persuade the Obama administration on the project’s merits, rather than the dangers of rail.
“If I have a choice of importing oil from Canada, Venezuela or Saudi Arabia, where would I feel much better with?” he asked, calling the answer obvious.
Kate Colarulli, of the Sierra Club, said pitting railroads against pipelines was a false choice.
“To say we have to choose between rail and pipelines is cynical and defeatist,” she said, calling oil a “dangerous fuel” no matter how it is transported.
A report by the U.S. State Department this spring said development of tar sands in Alberta would create greenhouse gases, but makes clear that other methods of transporting the oil – including rail, trucks and barges – also pose a risk to the environment. For instance, a scenario that would move the oil on trains to mostly existing pipelines would release 8 percent more greenhouse gases, such as carbon dioxide, than Keystone XL, the report said.
Even without the pipeline, extraction of oil from the tar sands is likely to proceed, the report said.
The Sierra Club and other pipeline opponents challenge that idea, noting that while light crude from the Bakken patch is relatively easy to move by rail, moving the heavier tar sands oil by rail faces significant economic and logistical obstacles.
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