Web Exclusive Sep 04, 2020 EESL to Buy 250 EVs from TATA Motors, Hyundai Energy Efficiency Services Ltd (EESL), an energy service company (ESCO) under the administrative control of the Ministry of Power will procure 250 electric vehicles from Tata Motors Ltd and Hyundai Motor India Ltd. The companies were selected through an international competitive bidding process, which was aimed at increased participation.