I am personally strongly for the fuel idea but know that there is a strong opposition against it (Just tagging @Zouls here because he had some good arguments against it in the past)
Fuel should of course be reasonably easy to gather and should be insertable even by non-beacon owners allowing other people to maintain builds they like to keep around even if the owner is gone.
Other discussions touching in on this subject:
This one touches in on beacon options too:
Meh I am lazy today those should touch in on some of it though