Possible Clues:

• Moorland fuel
• Do over, and a hint to two letters missing from the starts of 5-, 22-, 41-, 57- and 71-Across
• Soil additive
• Fuel some escape attempts
• Some got energy from this power breakfast
• Combustible from a bog
• It lends a smoky flavor to Scotch
• Bog growth
• Bog harvest
• Fuel from boggy land