/fuelReport

--File: /fuelReport
local initialFuel = turtle.getFuelLevel()
print("Starting at " .. initialFuel .. " fuel")

for slot = 1, 16 do
    turtle.select(slot)
    local itemDetail = turtle.getItemDetail()

    if itemDetail then
        local count = itemDetail.count
        local name = itemDetail.name
        local startFuel = turtle.getFuelLevel()

        if turtle.refuel(0) then  -- Check if the item is a valid fuel source
            turtle.refuel(1)
            local endFuel = turtle.getFuelLevel()
            local fuelPerItem = (endFuel - startFuel)

            -- Restore the used fuel item
            turtle.suck(1)

            print(name .. " (" .. count .. "x): " .. fuelPerItem .. " fuel per item")
        else
            print(name .. " is not a fuel source.")
        end
    end
end

local endFuel = turtle.getFuelLevel()
print("Starting at " .. endFuel .. " fuel")