(EnergyAsia, May 9, Friday) — India’s Hindustan Petroleum Corporation Limited (HPCL) has been cleared to build a liquefied petroleum gas (LPG) storage system at its oil refinery in Visakhapatnam. The environment ministry has certified HPCL’s proprietary “mounded system” as safer than conventional storage methods. The Rs1.2 billion storage system will play a major part in…