diff --git a/biofuel-manager.lua b/biofuel-manager.lua
index 57a6267..de23200 100644
--- a/biofuel-manager.lua
+++ b/biofuel-manager.lua
@@ -57,6 +57,7 @@ local order = {
     end,
     biofuel = function (amt, ticker)
         -- TODO
+        amt = math.floor(amt / 125)
         local request = function ()
             local biomass = {
                 name = "createaddition:biomass",
@@ -72,32 +73,20 @@ local order = {
             }
             return biomass, sugar, cinder_flour
         end
-        local enoughMaterials = function ()
+        local notEnoughMaterials = function ()
+            -- TODO
             -- use ticker to test ( biomass >= 32, sugar >= 16, and cinder flour >= 16
-            local check = {}
-            check["createaddition:biomass"] = 32
-            check["minecraft:sugar"] = 16
-            check["create:cinder_flour"] = 16
-            for _, item in pairs(ticker.stock()) do
-                if check[item.name] then
-                    check[item.name] = check[item.name] - item.count
-                end
-            end
-            local enough_materials = true
-            for name, count in pairs(check) do
-                if count > 0 then enough_materials = false end
-            end
-            return enough_materials
         end
-
-        local amt_made = 0
-        while amt_made < amt do
-            if not enoughMaterials() then break end
-            ticker.requestFiltered(BIOFUEL_PKG, request())
-            amt_made = amt_made + 2000
-            os.sleep(1)
+        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
+            local count = ticker.requestFiltered(BIOFUEL_PKG, request())
+            if count == 0 then return amt_made end
+            amt_to_make = amt_to_make - count
+            amt_made = amt_made + count
+            return make_order (amt_to_make, amt_made)
         end
-        return amt_made
+        return make_order (amt, 0)
     end,
 }