Gurugram, Oct. 10 -- The National Highways Authority of India (NHAI) is set to install retrofit emission control devices (RECDs) on 25 diesel generators (DG) on the Dwarka Expressway in order to reduce pollution, the authority announced on Friday. The devices will be installed on DG sets on the 8.7km long package-4 of the Dwarka Expressway that connects Basai to Kherki Dhaula/Delhi-Gurugram Expressway cloverleaf intersection, an NHAI official said. "The RECDs will be installed on DG sets used for the expressway lighting and other associated operations, thereby strengthening emission-control measures during their operation. The implementation involves installation, testing and commissioning of the RECDs, along with comprehensive maintenance support," said a senior NHAI official, adding that the exercise will be started soon. Another NHAI official, aware of the matter, said RECDs will be installed as per prescribed norms by the Central Pollution Control Board (CPCB) in compliance with the directions of the Commission for Air Quality Management (CAQM) to reduce air pollution, particularly during the winter season. Dwarka Expressway is among the worst affected stretches from pollution during winters....