The $1.3 billion project will likely replace hundreds of trucks that travel across the length and breadth of the country to move the fuel from refineries to bottling plants, raising the risk of accidents. A tanker overturned in Coimbatore last month, bringing the southern city to a partial halt. In December, 20 people were killed, 45 injured and three dozen vehicles damaged after a truck hit Indian Oil’s vehicle in the northwestern city of Jaipur.