Steelmakers are known to be one of the worst polluters in manufacturing , but South Korea 's newest plant claims it is designed to go green . Hyundai Steel 's is reducing emissions at its steel plant in South Korea , Dangjin . Facility which includes 21 miles of conveyor belts cost $ 20 million to build . Plant has enclosed its storage and transport routes to limit dust entering surrounding area . Company says it recycles all of its byproducts and monitors its emissions 24 hours a day .
Hyundai Steel 's is reducing emissions at its steel plant in South Korea , Dangjin . Facility which includes 21 miles of conveyor belts cost $ 20 million to build . Plant has enclosed its storage and transport routes to limit dust entering surrounding area . Company says it recycles all of its byproducts and monitors its emissions 24 hours a day .