Related Clues:

• Fuel for a car
• This makes a car go
• Tank on an automobile
• Something a car needs to run
• What makes cars go
• Fuel for the car
• What makes buses go
• What makes a car go
• Car's fuel
• Fuel for a vehicle
• What cars need to function
• Fuel for 21-Across
• It makes cars go
• Filling station's product
• It makes a car go