Related Clues:

• No longer worried - now off duty
• Having reason to say "aah"
• Satisfied with a quantity of fuel
• It's about devil returning admitting English leader is grateful
• Freed from anxiety
• Felt a rug (anag)
• Freed from distress
• Showing appreciation for supply of fuel?
• Showing appreciation
• Old book told tales about head of games, as required
• Appreciative, given this much fuel?
• Beholden for plenty of coal?
• Showing thankfulness
• Appreciative, given such an adequate supply of coal?
• Appreciative when jar's topped up by speaker