Talk:Summer 2015 Event/@comment-24657389-20150721180857/@comment-1220603-20150722010306

Most efficient overall:

Fuel: 38 Ammo: 2 Steel: 3 Bauxite: 6

Best that don't require constant checking:

Fuel: 5, 21, 38 Ammo: 5, 21, 37 Steel: 20, 37, 38 Bauxite: 11

In general, bauxite is difficult to gather quickly though.