Related Clues:

• Grain alcohol
• Unsustainable but trendy fuel source
• It gives punch to punch
• Fuel hybrid
• Fuel mixture
• Biofuel option
• Gas alternative
• Fuel that yields a net energy loss
• Type of biofuel
• Biofuel choice
• Pump portmanteau
• Gasohol ingredient
• Gasoline alternative
• Environmental summit topic
• Intoxicating agent