Mark Annis Gillette
Mark Annis Founder and President at ANCO Environmental Services Inc. petroleum storage was literally driven underground by a variety of concerns centered on fire safety. Check this link right here https://www.youtube.com/watch?v=Qkh7Rl6OyCM for more information on Mark Annis. Because of these concerns and the regulations they spawned, the overwhelming majority of storage tanks in use today are underground tanks.