http://www.nytimes.com/2014/10/01/business/energy-environment/oil-and-railroad-industries-seek-7-years-for-retrofitting-.html 2014-10-01 03:15:26 Oil and Railroad Industries Seek 7 Years for Retrofitting The two industries also want three more years to retrofit tank cars manufactured since 2011. === The oil and railroad industries are urging federal regulators to allow them up to seven years to retrofit tank cars used to transport highly volatile crude oil, an