IOCL to procure hydrogen fuel cell buses for trials in Delhi, India January 7, 2021 | Asia Pacific News Indian Oil Corporation Limited (IOCL) has invited bids to supply 15 air-conditioned (AC) polymer electrolyte membrane (PEM) fuel cell buses for trial operations in Delhi-NCR (national capital region).... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password