TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Recombinant Cell: In the recombinant cell above, the modified gene encoding a fatty acid derivative enzyme is a gene encoding an acyl-CoA synthase, a thioesterase, an ester synthase, an alcohol acyltransferase, an alcohol dehydrogenase, an acyl-CoA reductase, or a fatty-alcohol forming acyl-CoA reductase. The cell also comprises: (a) a modified gene encoding an acyl-CoA synthase; and (b) a modified gene encoding a thioesterase or an ester synthase. Alternatively, the cell comprises: (a) a modified gene encoding an acyl-CoA synthase; (b) a modified gene encoding a thioesterase; and (c) a modified gene encoding an ester synthase. Additionally, the cell comprises a gene encoding a transport protein. Preferably, the cell is a Saccharomyces cerevisiae, Candida lipolytica, Escherichia coli, Arthrobacter, Rhodotorula glutinins, Acinetobacter, Candida lipolytica, Botryococcus braunii, Vibrio furnissii, Micrococcus luteus, Stenotrophomonas maltophilia, or Bacillus subtilis cell. Specifically, the cell is an Arthrobacter AK19, Acinetobacter sp. strain M-1, or E. coli B, E, K, or W cell. The cell is a Cyanobacteria cell, e.g. Synechocystis sp. PCC6803 or Synechococcus elongatus PCC7942 cell. Additionally, the cell is a plant, animal or human cell. The cell is a microorganism cell from a bacteria, yeast, or filamentous fungi. The exogenous nucleic acid sequence encodes an acyl-CoA synthase, a thioesterase, an ester synthase, an alcohol acyltransferase, an alcohol dehydrogenase, an acyl-CoA reductase, or a fatty-alcohol forming acyl-CoA reductase. The first exogenous nucleic acid sequences encode an acyl-CoA synthase, and the second exogenous nucleic acid sequence encodes a thioesterase or an ester synthase, where the first exogenous nucleic acid sequence encodes a fadD. The gene encoding a fatty acid derivative enzyme is modified to be optimized for expression in the recombinant cell. The acyl-CoA synthase gene is fadD, fadK, BH3103, yhfL, Pf14354, EAV15023, fadD1, fadD2, RPC4074, fadDD35, frzdDD22, faa3p, or a gene encoding ZFO644857. Specifically, the acyl-CoA synthase gene is fadDD35 from M. tuberculosis HR7Rv (NP217021), yhfL from B. subtilis (NP 388908), fadD1 from P. aeruginosa PAO1 (NP25 1989), a gene encoding ZPO 1644857 from S. maltophilia R55 1-3, or faa3p from S. cerevisiae (NP 012257). The cell comprises a modified fatty acid derivative enzyme gene encoding a thioesterase, where the thioesterase gene is tesA, 'tesA, tesB, fatB, fatB2, fatB3, fatB (M141T), fatA or fatA1. The modified fatty acid derivative enzyme gene encodes an ester synthase, where the ester synthase gene is obtained from Acinetobacter spp., Alcanivorax borkumensis, Arabidopsis thaliana, Saccharomyces cerevisiae, Homo sapiens, or Simmondsia chinensis. The ester synthase gene is wax/dgat, where the ester synthase is a bifunctional ester synthase/acyl-CoA:diacylglycerol acyltransferase from S. chinensis, Acinetobacter sp. strain ADP1, A. borkumensis, P. aeruginosa, Fundibacter jadensis, Arabidopsis thaliana, or Alkaligenes eutrophus, specifically from Mortierella alpina, Cryptococcus curvatus, Alcanivorax jadensis, Acinetobacter sp. HO1-N or Rhodococcus opacus. The recombinant cell further comprises a pdh, panK, aceEF, fabH, fabD, fabG, acpP, or fabF gene that is modified to be expressed or over-expressed. It also comprises fadE, gpsA, ldhA, pflB, adhE, pta, poxB, ackA, or ackB gene that is modified so that expression of the gene is attenuated. The recombinant cell further comprises modified gene of plsB or sfa. The gene encoding an acyl-CoA dehydrogenase enzyme is deleted. Preferred Composition: In the composition above, the fatty acid derivatives have a fraction of modern carbon of 1.003-1.5. The percentage by weight of 12C free fatty acids relative to the total free fatty acids is at least about 5%, the percentage by weight of 14C free fatty acids relative to the total free fatty acids is at least about 20%, the percentage by weight of 15C free fatty acids relative to the total free fatty acids is at least about 1%, the percentage by weight of 16C free fatty acids relative to the total free fatty acids is at least about 20%, and the percentage by weight of 18C free fatty acids relative to the total free fatty acids is at least about 15%. Additionally, the percentage by weight of 12C fatty esters relative to the total fatty esters is at least about 1%, the percentage by weight of 14C fatty esters relative to the total fatty esters is at least about 10%, the percentage by weight of 16C fatty esters relative to the total fatty esters is at least about 30%, and the percentage by weight of 18C fatty esters relative to the total fatty esters is at least about 20%. Preferred Vector: The vector further comprises a structural gene providing for selection of transformed cells. The vector also comprises a nucleic acid sequence encoding a transport protein. The second nucleic acid sequence encodes a thioesterase and the vector further comprises a third nucleic acid sequence encoding an ester synthase. It further comprises a nucleic acid sequence encoding a transport protein. Preferred Method: In increasing production of fatty acid derivatives in a production host cell, the production host cells are harvested and are lyzed to obtain the fatty acid derivatives that have been produced. Alternatively, the production host cell is transformed with a nucleotide sequence encoding a transport protein and the production host cell releases the fatty acid derivatives extracellularly. In producing fatty acid derivatives, a supernatant from the culturing of the production host cell is collected to obtain the fatty acid derivatives that have been produced. A supernatant from the culturing of production host cells is collected to obtain the fatty acid derivatives that have been produced. Preferred Fatty Acid Derivative or Biofuel: The fatty acid derivative or biofuel is a biodiesel, fatty alcohol, fatty ester, triacylglyceride, gasoline or jet fuel. The percentage of free fatty acids by weight is at least about 1%. The ratio of fatty esters to free fatty acids is about 10-1:1. The fatty ester is ethyl dodecanoate, ethyl tridecanoate, ethyl tetradecanoate, ethyl pentadecanoate, ethyl cis-9-hexadecenoate, ethyl hexadecanoate, ethyl heptadecanoate, ethyl cis-11-octadecenoate, ethyl octadecanoate, or its combination. The free fatty acid is dodecanoic acid, tetradecanoic acid, pentadecanoic acid, cis-9-hexadecenoic acid, hexadecanoic acid, cis-11-octadecenoic acid, or its combinations. SPECIFIC SEQUENCES - Specifically claimed is a nucleic acid sequence encoding a fatty acid derivative enzyme of any of 1551-1697bp (SEQ ID NO. 2, 3, 6, 9 or 13). All sequences are fully defined in the specification.    EXAMPLE - No suitable example given.