diff --git a/biofuel-manager.lua b/biofuel-manager.lua
new file mode 100644
index 0000000..45ce77d
--- /dev/null
+++ b/biofuel-manager.lua
@@ -0,0 +1,121 @@
+-- program to manage a biofuel factory with create and some addons + tweaks
+-- NOTE: this design does not handle stocking cinder flour or sugar
+
+local STORAGE = ""
+local OIL_TANK = ""
+local FUEL_TANK = ""
+
+local MAIN_SEED_REQUEST = "minecraft:melon_seeds"
+local MAIN_PLANT_REQUEST = "minecraft:bamboo"
+
+local SPEEDOMETER = ""
+local MAIN_REQUESTER = ""
+local SUBNET_TICKER = ""
+
+local SLEEP_T = 10
+
+local OIL_PKG = "Oil"
+local BIOMASS_PKG = "Biomass"
+local BIOFUEL_PKG = "Biofuel"
+
+local order = {
+    oil = function (amt, ticker)
+        local orderCount = math.floor(amt / 100)
+        local request = {
+            tags = {
+                ["c:seeds"] = true,
+            },
+            _requestCount = orderCount,
+        }
+        return ticker.requestFiltered(OIL_PKG, request)
+    end,
+    biomass = function (amt, ticker)
+        local order_amt = amt * 3
+        local request = {
+            _op = "any",
+            _requestCount = order_amt,
+            value = {
+                { name = {
+                    _op = "any",
+                    value = {
+                        "minecraft:stick",
+                        "minecraft:honeycomb"
+                    }
+                } },
+                { tags = {
+                    ["minecraft:flowers"] = true,
+                    ["c:crops"] = true,
+                    ["createaddition:plant_foods"] = true,
+                    ["createaddition:plants"] = true,
+                    ["minecraft:saplings"] = true,
+                    ["minecraft:leaves"] = true,
+                } },
+            }
+        return ticker.requestFiltered(BIOMASS_PKG, request)
+    end,
+    biofuel = function (amt, ticker)
+        -- TODO
+        local request = function ()
+            local biomass = {
+                name = "createaddition:biomass",
+                _requestCount = 32
+            }
+            local sugar = {
+                name = "minecraft:sugar",
+                _requestCount = 16
+            }
+            local cinder_flour = {
+                name = "create:cinder_flour",
+                _requestCount = 16
+            }
+            return biomass, sugar, cinder_flour
+        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
+            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
+    end,
+}
+
+local stock = {
+    seeds = function (amt, requester)
+        -- TODO
+    end,
+    plants = function (amt, requester)
+        -- TODO
+    end,
+}
+
+function getStockRequirements ()
+    -- TODO
+end
+
+function getOrders ()
+    -- TODO
+end
+
+function run (requester, ticker)
+    if peripheral.call(SPEEDOMETER, "getSpeed") ~= 0 then
+        local need_to_stock = getStockRequirements()
+        local need_to_create = getOrders()
+        for type, amt in pairs(need_to_stock) do
+            stock[type](amt, requester)
+        end
+        for type, amt in pairs(need_to_create) do
+            order[type](amt, ticker)
+        end
+    end
+    os.sleep(SLEEP_T)
+    return run(requester, ticker)
+end
+
+if arg[1] == "run" then
+    local requester = peripheral.wrap(MAIN_REQUESTER)
+    local ticker = peripheral.wrap(SUBNET_TICKER)
+    run(requester, ticker)
+end