TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The microbe is a fungus, yeast, a gram negative bacteria or a gram positive bacteria. The microbe is a facultative gram negative bacteria. The microbe is from the Zymomonas. The microbe is Zymomonas mobilis. The microbe is from the Zymomonas and is combined with a second microbe. The microbe is genetically modified or mutated.    TECHNOLOGY FOCUS - ELECTRONICS - Preferred Method: The method (M1) further involves generating current. The method (M1) further involves adding at least one electrode having an anodic region and a cathodic region, where the electrode transfers the electrons to the redox active species. The method (M1) further involves adding at least one anode connected to at least one cathode where the anode transfers the electrons to the redox active species. The method (M2) further involves adding at least one electron shuttling compound, where the at least one electron shuttling compound transfers the electrons to the at least one electrode. Enhancing the production rate of an alcohol involves: a1) oxidizing a carbon source with Zymonomas mobilis in at least one compartment with at least one portal; b1) adding at least one electron acceptor to accept electrons from the at least one microbe after oxidation of the carbon source; and c1) transferring the electrons to at least one electrode having an anodic region. Preferred Components: The electron acceptor is solid electrode. The at least one electron acceptor is at least one electrode having an anodic region and a cathodic region. The at least one electron acceptor is at least one anode connected to at least one cathode. The electron acceptor further comprises an electron shuttling compound that accepts and transfers the electrons to the electrode. The electron acceptor further comprises an electron shuttling compound that transfers the electrons to the anode. The at least one compartment does not contain a physical barrier to the microbe. The electrode further comprises the anodic region lower than the cathodic region. The electrode further comprises a single curved shape. The at least one compartment further comprises the electron acceptor comprising at least one anode connected to at least one cathode, at least one physical barrier to the microbe dividing the at least one compartment into at least one anode chamber containing the anode and the at least one microbe and at least one cathode chamber containing the cathode and that is substantially bacteria-free. The electrode a solid electrode having an anodic region and a cathodic region or a solid electrode having anode connected to a cathode. The electrode is an untreated conductive material. The electrode is a conductive material in the form of carbon paper, carbon cloth, carbon fiber, carbon foam, carbon pellet, carbon mat, or carbon braid. The electrode is carbon cloth or carbon paper.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The at least one electron acceptor is a redox active species. The redox active species is Fe+3. The electron acceptor further comprises a redox active species.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The at least one compartment is part of a microbial fuel cell system.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The metabolite is not carbon dioxide. The at least one electron acceptor is an electron shuttling compound. The electron shuttling compound is secreted by the microbe or is exogenously added to the at least one compartment. The electron shuttling compound is selected from anthraquinone disulfonic acid (AQDS), quinones, and quinines. The electron shuttling compound is a benign soluble redox electron transfer shuttle agent. The electron acceptor further comprises a 3-D conducting electrode material. The at least one electron acceptor is an electrode. The electrode is a conductive material having a high surface area. EXAMPLE - No suitable example given.