NOVELTY - Making fuel from synthesis gas, comprises: (a) passing gas through first reactor (1) to produce methanol and water, with first exit stream; (b) passing first stream through second reactor (2) to produce dimethyl ether, with second exit stream; (c) passing second stream through third reactor (3) to produce fuel and heavy gasoline, with third exit stream; (d) passing third stream through fourth reactor (4) to produce isoparaffins, naphthenes and less substituted aromatics, with fourth exit stream; and (e) recycling unreacted gas in fourth exit stream to first reactor.    USE - The process is useful for making fuel from synthesis gas, where the fuel essentially contains 4-8C hydrocarbons, toluene or xylene (claimed) and the fuel is gasoline, jet fuel and diesel.    ADVANTAGE - The process: provides fuel having an yield of greater than 25 wt.% based on the synthesis gas; and utilizes single recycle loop which connects the last stage to the first stage, thus reducing the cost of the recycle compressor.    DETAILED DESCRIPTION - Making fuel from synthesis gas, comprises: (a) passing the synthesis gas through a first reactor (1) to convert synthesis gas to methanol and water, which produces a first exit stream; (b) passing the first exit stream through a second reactor (2) to convert methanol to dimethyl ether, which produce a second exit stream; (c) passing the second exit stream through a third reactor (3) to convert methanol and dimethyl ether to fuel and heavy gasoline, which produces a third exit stream; (d) passing the third exit stream through a fourth reactor (4) to convert the heavy gasoline to isoparaffins, naphthenes, and less substituted aromatics, which produces a fourth exit stream; and (e) recycling the unreacted synthesis gas in the fourth exit stream to the first reactor, where no removal or separation of the first, second or third exit streams are effected during the process. An INDEPENDENT CLAIM is also included for a system for making fuel product comprising: a first reactor containing a first catalyst for converting synthesis gas to methanol and water; a second reactor containing a second catalyst for converting methanol to dimethyl ether; a third reactor to containing a third catalyst for converting methanol and dimethyl ether to fuel and heavy gasoline; a fourth reactor containing a fourth catalyst for converting the heavy gasoline to isoparaffins, naphthenes, and less substituted aromatics; a separator (5) for separating a product exiting the fourth reactor into a first stream containing fuel product, a second stream containing water, and a third stream containing unreacted synthesis gas; and a recycle stream to recycle a portion of the third stream to the first reactor.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of the process of making the fuel from synthesis gas.    First reactor (1)    Second reactor (2)    Third reactor (3)    Fourth reactor (4)    Separator (5)