 The mayor battled the country's three major oil companies, the partly state-owned and Saudi Aramco managed Petron, Dutch-owned Pilipinas Shell and Caltex-Chevron.Atienza and the city council decreed that the presence of oil distribution depots in the heavily populated district of Pandacan poised as a security and safety danger and issued an eviction notice to the oil companies.The concern was raised after the terror attacks that started on September 11, 2001 that destroyed the World Trade Center in New York.