A system comprising



a distribution grid (2) for a fuel,
combustion engines (3), which are coupled with the distribution grid (2) and are configured to combust the fuel, and
a computer system (4) comprising data connections (5) to the combustion engines (3) and a data storage device (6), wherein the computer system (4) is configured to receive engine operation parameters stemming from an operation of the combustion engines (3) at a first time and/or during a first time period via the data connections (5) and geographical data of the combustion engines (3) are stored in the data storage device (6), wherein
the computer system (4) has a processor (7) which is configured to compute a prediction for at least one characteristic parameter of the fuel at a second time and/or during a second time period later than the first time and/or the first time period and with respect to a geographical location, and
the computation of the prediction being based on the geographical data and the engine operation parameters of the combustion engines (3).