diff --git a/biofuel-manager.lua b/biofuel-manager.lua
index c1424d6..de23200 100644
--- a/biofuel-manager.lua
+++ b/biofuel-manager.lua
@@ -30,6 +30,7 @@ local order = {
         return ticker.requestFiltered(OIL_PKG, request)
     end,
     biomass = function (amt, ticker)
+        -- TODO make order_amt calculation less naive
         local order_amt = amt * 3
         local request = {
             _op = "any",
@@ -56,6 +57,7 @@ local order = {
     end,
     biofuel = function (amt, ticker)
         -- TODO
+        amt = math.floor(amt / 125)
         local request = function ()
             local biomass = {
                 name = "createaddition:biomass",
@@ -71,6 +73,10 @@ local order = {
             }
             return biomass, sugar, cinder_flour
         end
+        local notEnoughMaterials = function ()
+            -- TODO
+            -- use ticker to test ( biomass >= 32, sugar >= 16, and cinder flour >= 16
+        end
         local make_order = function (amt_to_make, amt_made)
             if amt_to_make <= 0 then return amt_made end
             if notEnoughMaterials() then return amt_made end