BISMARCK - North Dakota announced new rules Wednesday for oilfield waste known as filter socks that aim to prevent the illegal stockpiles of the waste that have been turning up in remote corners of ...

Years ago, oil filters were simply trash, and the waste oil from them was a by-product that was burned in a heater or a costly disposable that a recycling company was paid to take away. Those days are ...

Frontline International, a provider of Smart Oil Management systems for waste and fresh cooking oil, offers an economical wheeled Caddy System that can be converted to operate as a quick and efficient ...

This March 3, 2014 file photo provided by the North Dakota Health Department shows bags full of radioactive oil filter socks, the nets that strain liquids during the oil production process, piled in ...