Oil companies need to inform regulators which type of oil they are transporting in pipelines and tailor response plans accordingly, the report recommends. InsideClimate News. Dec 09 2015 http://insideclimatenews.org/news/09122015/unique-hazards-tar-sands-oil-spills-dilbit-diluted-bitumen-confirmed-national-academies-of-science-kalamazoo-river-enbridge