Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: The mayor of London has claimed Volkswagen should pay £2.5m for missed congestion charge payments following the emissions-rigging scandal.

London mayor Sadiq Khan issues £2.5m VW congestion charge call