TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: In the method above, the microorganism is a microalgae. Thee microorganism is selected from the microalgae given in the specification (Table 1). It is a species of the genus Chlorella, e.g. Chlorella anitrata, Chlorella antarctica, Chlorella aureoviridis, Chlorella candida, Chlorella capsulata, Chlorella desiccata, Chlorella ellipsoidea, Chlorella emersonii, Chlorellafusca Chlorella fusca var. vacuolata, Chlorella glucotropha, Chlorella infusionum, Chlorella infusionum var. actophila, Chlorella infusionum var. auxenophila, Chlorella kessleri, Chlorella luteoviridis, Chlorella luteoviridis var. aureoviridis, Chlorella luteoviridis var. Lutescens, Chlorella miniata, Chlorella minutissima, Chlorella mutabilis, Chlorella nocturna, Chlorella parva, Chlorella photophila, Chlorella pringsheimii, Chlorella protothecoides, Chlorella regularis, Chlorella regularis var. minima, Chlorella regularis var. umbricata, Chlorella reisiglii, Chlorella saccharophila, Chlorella saccharophila var. ellipsoidea, Chlorella sauna, Chlorella simplex, Chlorella sorokiniana, Chlorella sp., Chlorella sphaerica, Chlorella stigmatophora, Chlorella vanniellii, Chlorella vulgaris, Chlorella vulgaris f. tertia, Chlorella vulgaris var. airidis, Chlorella vulgaris var. vulgaris, Chlorella vulgaris var. vulgaris f. viridis, Chlorella xanthella, and Chlorella zojfngiensis. Alternatively, the microorganism is an oleaginous yeast, where the oleaginous yeast is selected from Cryptococcus curvatus, Cryptococcus terricolus, Candida sp., Lipomyces starkeyi, Lipomyces lipofer, Endomycopsis vernalis, Rhodotorula glutinis, Rhodotorula gracilis, and Yarrowia lipolytica. The microorganism is a fungus, where the fungus is selected from species of the genus Mortierella, Mortierrla vinacea, Mortierella alpine, Pythium debaryanum, Mucor circinelloides, Aspergillus ochraceus, Aspergillus terreus, Pennicillium iilacinum, species of the genus Hensenulo, species of the genus Chaetomium, species of the genus Cladosporium, species of the genus Malbranchea, species of the genus Rhizopus, and species of the genus Pythium. Additionally, the microorganism contains exogenous sucrose utilization gene, where the sucrose utilization gene encodes a sucrose transporter, a sucrose invertase, a hexokinase, a glucokinase, or a fructokinase. The microorganism contains exogenous gene encoding a lipid pathway enzyme, where the lipid pathway enzyme is selected from a stearoyl-ACP desaturase, a glycerolipid desaturase, a pyruvate dehydrogenase, an acetyl-CoA carboxylase, an acyl carrier protein, and a glycerol-3 phosphate acyltransferase. Producing a molecule in a microbe population comprises culturing a population of microbes in a culture medium, where the microbes synthesize a fatty acid linked to ACP, the fatty acyl-ACP thioesterase catalyzes the cleavage of the fatty acid from the ACP to yield, through further processing, a fatty acyl-CoA, and the fatty acyl-CoA/aldehyde reductase catalyzes the reduction of the acyl-CoA to an alcohol; or comprises culturing a population of microbes in a culture medium, where the microbes contain a first exogenous gene encoding a fatty acyl-ACP thioesterase, and a second exogenous gene encoding a fatty acyl-CoA reductase; and where the microbes synthesize a fatty acid linked to an ACP, the fatty acyl-ACP thioesterase catalyzes the cleavage of the fatty acid from the ACP to yield, through further processing, a fatty acyl-CoA, and the fatty acyl-CoA reductase catalyzes the reduction of the acyl-CoA to an aldehyde. The culture medium contains glycerol, where the glycerol is a byproduct of a transesterification process. The culture medium contains glycerol and other fixed carbon source, where the other fixed carbon source is sucrose. All of the glycerol and all of the other fixed carbon source are provided to the microbes at the beginning of fermentation. The glycerol and the other fixed carbon source are fed to the microbes at a predetermined rate over the course of fermentation. Glycerol is provided to the microbes in the absence of the other fixed carbon source for a first period of time; the other fixed carbon source is provided at the end of the first period of time; and the microbes are cultured for a second period of time in the presence of the other fixed carbon source. The method further comprises providing the first stimulus; and incubating the population of microbes for a first period of time in the presence of the first stimulus to produce an alcohol. It also comprises extracting the alcohol, aldehyde, or alkane from aqueous biomass. The third exogenous gene encodes an acyl carrier protein that is naturally co-expressed with the fatty acyl-ACP thioesterase. The microbes further contain a third exogenous gene encoding a fatty aldehyde decarbonylase that catalyzes the conversion of the aldehyde to an alkane. The microbes further contain a fourth exogenous gene encoding a fatty aldehyde decarbonylase that catalyzes the conversion of the aldehyde to an alkane. The method further comprises extracting the fatty acid from the aqueous biomass. The gene encodes a lipase that has at least 70% amino acid identity with a lipase given in the specification (Table 9). Additionally, the lipase is novozym-435. The gene encodes a polysaccharide-degrading enzyme, where the polysaccharide-degrading enzyme is endogenous to a Chlorella virus. Manufacturing a lipid molecule in a microbe further comprises extracting lipid molecules from the lysed aqueous biomass. In culturing a lipid-producing microbe, the cofactor is a vitamin required by lipid pathway enzymes, where the cofactor is biotin. The cofactor is/are provided by including in the culture a microbe that has been genetically engineered to produce the cofactors. In fermenting a microorganism, the mixture further comprises lignin. It comprises species of furfural. The mixture is depolymerized cellulosic material. The microorganism has been genetically engineered to express an exogenous gene encoding lipid modification enzyme, hydrocarbon modification enzyme, or sucrose utilization enzyme. The mixture comprises a sucrose invertase. In culturing a microalgae, the carbon substrate is glucose and the microalgae is of a genus selected from Chlorella, Parachlorella, Pseudochlorella, Bracteococcus, Prototheca and Scenedesmus. The carbon substrate is glycerol, sucrose, glucose, arabinose, galactose, xylose, fructose, arabinose, mannose, acetate, or its combination, and the microalgae is Chlorella sp.. In culturing a lipid-producing microbe, the microbe is cultured in the presence of a sufficient amount of acetic acid to increase microbial lipid yield over microbial lipid yield in the absence of acetic acid, where culture conditions are otherwise the same between the two cultures. The sucrose utilization gene encodes a sucrose transporter, a sucrose invertase, a hexokinase, a glucokinase, or a fructokinase. In biodiesel manufacturing, the first and second microbial cultures are cultures of the same species of microorganism. The glycerol is acidulated or non-acidulated. In fermenting a microorganism, no light energy is provided to the microorganism, where light energy is provided to the microorganism. Preferred Cell: The cell produces more lipid compared to the wild-type cell when both cells are grown under the same conditions. It has s been genetically engineered and/or selected to express a lipid pathway enzyme at a higher or lower level than the wild-type cell, where the lipid pathway enzyme comprises citrate synthase. The cell has been genetically engineered and/or selected to express a global regulator of fatty acid synthesis at an altered level compared to the wild-type cell, where the expression levels of fatty acid synthetic genes are altered compared to the wild-type cell. The lipid pathway enzyme comprises an enzyme that modifies a fatty acid. Additionally, the lipid pathway enzyme is selected from a stearoyl-ACP desaturase and a glycerolipid desaturase. The cell is a microalgae species given in the specification (Table 1). The protein is a sucrose invertase secreted into the extracellular space or a sucrose invertase targeted to the cytoplasm. Preferred Microbe: The microbe is selected from the microorganisms given in the specification (Table 1). The exogenous gene is in operable linkage with a promoter, which is inducible or repressible in response to a stimulus, where the stimulus is selected from an exogenously provided small molecule, heat, cold, and light. It is expressed in a cellular compartment, where the cellular compartment is selected from a chloroplast and a mitochondrion. The exogenous gene encodes a fatty acid acyl-ACP thioesterase. The thioesterase encoded by the exogenous gene catalyzes the cleavage of an 8 to 18-carbon fatty acid from an ACP. The exogenous gene encodes a fatty acyl-CoA/aldehyde reductase. The reductase encoded by the exogenous gene catalyzes the reduction of a 20 to 30-carbon fatty acyl-CoA to a corresponding primary alcohol. The exogenous gene encodes a fatty acyl-CoA reductase. The reductase encoded by the exogenous gene catalyzes the reduction of an 8 to 18-carbon fatty acyl-CoA to a corresponding aldehyde. It catalyzes the reduction of a 12-carbon fatty acyl-CoA to dodecanal. The microbe further contains exogenous sucrose utilization genes. Each promoter is inducible in response to an identical stimulus. The thioesterase encoded by the first exogenous gene catalyzes the cleavage of a 12-carbon fatty acid from an ACP, and the reductase encoded by the second exogenous gene catalyzes the reduction of a 12-carbon fatty acyl-CoA to dodecanol. The second exogenous gene encodes a fatty acyl-CoA reductase which catalyzes the reduction of an 8 to 18-carbon fatty acyl-CoA to a corresponding aldehyde. Additionally, the second exogenous gene encodes a fatty acyl-CoA reductase, and the microbe further contains a third exogenous gene encoding a fatty aldehyde decarbonylase. The thioesterase encoded by the first exogenous gene catalyzes the cleavage of an 8 to 18-carbon fatty acid from an ACP, the reductase encoded by the second exogenous gene catalyzes the reduction of an 8 to 18-carbon fatty acyl-CoA to a corresponding fatty aldehyde, and the decarbonylase encoded by the third exogenous gene catalyzes the conversion of an 8 to 18-carbon fatty aldehyde to a corresponding alkane, where the thioesterase, the reductase, and the decarbonylase act on the same carbon chain length. The second exogenous gene encodes an acyl carrier protein that is naturally co-expressed with the fatty acyl-ACP thioesterase. The second exogenous gene encodes an acyl carrier protein, and the microbe further contains a third exogenous gene encoding a protein selected from a fatty acyl-CoA reductase and a fatty acyl CoA/aldehyde reductase. The third exogenous gene encodes a fatty acyl-CoA reductase, and the microbe further contains a fourth exogenous gene encoding a fatty aldehyde decarbonylase. EXAMPLE - No suitable example given.