Federal regulators said Wednesday a North Dakota town was evacuated after several tank cars carrying crude oil derailed and caught fire. Ten responders from the Federal Railroad Administration were dispatched to Heimdal, N.D., to investigate the cause of the incident. The small town of less than 50 residents in central North Dakota was evacuated as a security precaution. “Today’s incident is yet another reminder of why we issued a significant, comprehensive rule aimed at improving the safe transport of high hazard flammable liquids,” acting Federal Railroad Administrator Sarah Feinberg said in a statement. “The FRA will continue to look at all options available to us to improve safety and mitigate risks.” Cecily Fong, a spokeswoman for the North Dakota State Emergency Services, said in a telephone interview […]