Yes but everybody will use it and don't use the others suppliers.
Other fuel providers use 12 points that fall in different ways for each attribute.
So Patrons may be:
Performance: 10
Economy: 2
Or reverse but I don't think so I can use it in the two possibility.
By the way:
The goal is not so much to copy reality but to introduce more strategy otherwise the game would be boring , that's why for example Elves , Chavon ... are kept for more opportunities .