Related Clues:

• Whistler's output
• Talk idly
• Energy source
• Clothes dryer
• Driver's need
• Subject of E.P.A. monitoring
• Stove option
• Burn it by stepping on it
• Auto option, for short
• Windbag's output
• Vacuum's lack
• Balloon contents
• Beach ball fill
• Petrol
• Breathable stuff