NOVELTY - A modular system (100) for providing second stream of plant material into production facility, where second stream contains protein to be mixed with first stream of material, comprises portable storage unit (102) to receive second stream/transport between production facilities; and portable processing unit (200) to transport between production facilities in communication with storage unit for receiving second stream, where processing unit receive grain material second stream from storage unit/deliver to cleaning device and reservoir tank/process and meter stream/deliver into first stream.    USE - As modular system for providing a second stream of plant material into a production facility, where the second stream of plant material contains a protein to be mixed with a first stream of plant material within the production facility, where plant material is grain material (claimed); for storing, metering and milling grain material for delivery as first grain stream into ethanol production facility; in the production of commercial products such as fuels, plastics, feed additive, specialty sugars and commercial chemicals. The ethanol is used as biofuel. The plant material includes variety of plants including, but not limited to maize, wheat, rice, barley, soybean, cotton, sorghum, beans in general, rape/canola, alfalfa, flax, sunflower, safflower, millet, rye, sugarcane, sugar beet, cocoa, tea, tropical sugar beet, Brassica, cotton, coffee, sweet potato, flax, peanut, clover; vegetables such as lettuce, tomato, cucurbits, cassava, potato, carrot, radish, pea, lentils, cabbage, cauliflower, broccoli, Brussels sprouts, peppers, and pineapple; tree fruits such as citrus, apples, pears, peaches, apricots, walnuts, avocado, banana, and coconut; and flowers such as orchids, carnations and roses. Other plants include perennial grasses, such as switchgrass, prairie grasses, Indian grass, Big bluestem grass and miscanthus.    ADVANTAGE - The system quickly and efficiently introduces transgenic plant or plant part into biofuel production facility for combination with second stream of stock material such that the combination can be mixed at appropriate levels in the production of biofuel. The system is capable of use between biofuel production facilities for rapidly and efficiently carrying out plant trials to test new methods. The system reduces capital expenditure of ethanol production facility. The system provides mobile, modular, or portable systems capable of being transported between ethanol production facilities or field sites. The portable systems are easily moved between ethanol production facilities for facilitating ethanol plant trials of various enzyme enhanced materials e.g. a producer of transgenic corn grain enhanced with amylase may deliver its product to various ethanol plant facilities for trials of the transgenic corn grain in ethanol production. The system permits the producer to rapidly erect the portable system at a trial site for testing of a plant material, and then deconstruct the portable system after the trials are complete such that the portable system can be moved to a new trial site. The system can be configured for rapidly constructing a temporary system at a trial site, where the system is capable of storing, milling, and metering e.g. an enzyme enhanced material. The plant trials can be completed in a timely and cost-efficient manner such that the producer of the transgenic material can move easily between ethanol production facilities. The mobile system can be provided at the ethanol production facility in a more permanent manner so as to provide a low-cost solution as an alternative to such a system being provided as permanent fixture of the ethanol production facility itself. The system can be modified in order to process various other crop plants to be used in a commercial fermentation facility.    DETAILED DESCRIPTION - A modular system (100) for providing a second stream of plant material into a production facility, where the second stream of plant material contains a protein to be mixed with a first stream of plant material within the production facility, comprises at least one portable storage unit (102) configured to receive a second stream of plant material containing a protein to be mixed with the first stream of plant material, where each storage unit is adapted for transportation between production facilities; and a portable processing unit (200) adapted for transportation between production facilities in communication with each of the storage unit for receiving the second stream of plant material from it, where the processing unit is configured to: a) receive the second stream of grain material from the at least one portable storage unit; b) deliver the second stream of grain material to a cleaning device then to a reservoir tank; c) process and meter the cleaned second stream of grain material of (b); and d) deliver the second stream of grain material from (c) into a first stream of plant material within the production facility. INDEPENDENT CLAIMS are included for the following:    (1) method of providing a second stream of grain material into ethanol production facility (300), where second stream of grain contains protein to be mixed with first stream of grain within the ethanol production facility; and    (2) producing ethanol involving providing at least one portable storage unit at an ethanol production facility, where each storage unit is configured to receive a second stream of grain material in it; transporting the second stream of grain material disposed in the storage units to a portable processing unit adapted for transportation between production facilities in communication with each of the storage units, where the processing unit is configured to receive the second stream of grain material from the at least one portable storage unit; deliver the second stream of grain material to a cleaning device then to a reservoir tank; process and meter the cleaned second stream of grain material; and deliver the second stream of grain material into a first stream of plant material within the ethanol production facility.    DESCRIPTION OF DRAWING(S) - The figure shows schematic view of modular metering system used to introduce a first stream of grain containing enzyme to be mixed at a specific admix ratio to a second stream of commodity grain.    Modular system (100)    Portable storage unit (102)    Four storage units (104, 106, 108, 110)    Conveyor assembly (150)    First delivery arrangement (170)    Second delivery arrangement (180)    Portable processing unit (200)    Ethanol production facility (300)