Railcar couplers reduce emissions and loading time.

The article discusses drylock dry disconnect couplers made by OPW Engineered Systems. The couplers claim to help significantly reduce volatile organic compound emissions, improve worker safety, and improve efficiency during loading and unloading of railcars when transferring hazardous, corrosive, and volatile liquids. Railroad workers can connect the loading arm to the railcar by the turn of a handle without the need for any other tools.