Different estimates have put the chance of accidents moving oil via rail at between three and 34 times that of pipeline transport. (canadianbusiness.com)
The reality is that even with cheap pipeline transport and weak regulation, tar sands production is economically marginal. (nrdc.org)
North Dakota, meanwhile, has over seven - thousand miles of underground pipelines transporting oil, gas, and «saltwater.» (climatesciencewatch.org)