Handy new fuel for the Americans (6)

I believe the answer is:

useful

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'handy' is the definition.
(thesaurus)

'new fuel for the americans' is the wordplay.
'new' indicates anagramming the letters.
'for' is a charade indicator (letters next to each other) (I've seen this in other clues).
'the americans' becomes 'us' (I can't explain this - if you can you should believe this answer much more).
'fuel' is an anagram of 'eful'.
'eful' after 'us' is 'USEFUL'.

Can you help me to learn more?

(Other definitions for useful that I've seen before include "Utilitarian" , "Expedient" , "Suitable for practical purpose" , "Handy, serviceable" , "Advantageous, serviceable" .)

I've seen this clue in the Evening Standard.

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