Possible Clues:

• Salad dressing that sounds mythical
• Old fire engine in Dresden goes out after end of bombing
• Emergency vehicle dodges around beset by environmentalists
• Scrambled eggs endorsed and used in an emergency by the army
• Old army fire engine
• Part of course with man beset by wild dogs requiring emergency vehicle
• Veteran army fire engine
• Old type of fire engine
• Scrambled eggs endorsed for firefighter