Related Clues:

• Ford filler
• Fuel at the pump
• Car tankful
• It makes the van go
• 'There Will Be Blood' subject
• It can be crude
• "There Will Be Blood" subject
• Crude liquid
• Radon, for one
• Bad thing to guzzle
• Shell offering
• Titusville discovery
• 2010 Gulf problem
• Castor bean product
• Peanut or sesame, e.g.