Related Clues:

• Kerosene, e.g.
• It may be pumped
• Mined stuff
• Santa's 'present' for a naughty child
• Rocket requirement
• Coke, e.g.
• Briquette
• Diamond's ancestor
• Carbon fuel
• Greenhouse gas culprit
• Old-time furnace fuel
• Hopper fill
• Anthracite or lignite
• Fill the Ford
• Frosty's eyes