Related Clues:

• Spill source, perhaps
• Crude transport
• Titan, formerly
• It's drained by traveling
• Where potential energy may be stored
• NFLer now a Titan
• Siphoning target
• Fail miserably
• Gas container
• Wayne Gretzky, until 1988
• Turret site
• Gulf sight
• Nose-dive
• Lose on purpose
• Do horribly, slangily