TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The reactant mixture is in gaseous state when contacted with (I). The hydrocarbonaceous fuel is in liquid state at ambient temperature and atmospheric pressure. The hydrocarbonaceous fuel is at least one hydrocarbon, oxygen-containing fuel, biofuel, fossil fuel and/or at least one synthetic fuel. The hydrocarbonaceous fuel is gasoline, diesel, biodiesel, commercial fossil-derived diesel, synthetic diesel, jet fuel, methanol, ethanol, bioethanol, methane and/or alcohol. The reactant mixture comprises water in a liquid state and the hydrocarbonaceous fuel in a liquid state. The step of providing further comprises heating the reactant mixture to provide a gaseous reactant mixture; and the contacting step comprises contacting the gaseous reactant mixture with (I). The hydrocarbonaceous fuel comprises carbon, where the reactant mixture has a water:carbon ratio of 2.3-3. Preferred Process: The process-1 further comprises at least one of atomizing and vaporizing the water and the hydrocarbonaceous fuel to form an emulsion before contacting (I); and adding a surfactant to the water and the hydrocarbonaceous fuel before atomizing or vaporizing the water and the hydrocarbonaceous fuel to form the emulsion. The contacting step is carried out at 500-900 degrees C. The contacting step is carried out with a gas hourly space velocity of 300-200000 cm3g-1h-1. In the process-2, the submitting step comprises at least one of atomizing and vaporizing the water and the hydrocarbonaceous fuel to form an emulsion before contacting (I). The process-2 further comprises adding a surfactant to the water and the hydrocarbonaceous fuel before atomizing or vaporizing the water and the hydrocarbonaceous fuel to form the emulsion. In the preparation of (I), the alumina and YSZ powders are mixed in a ratio of 1/1; and the submitting step is carried out at 850-1200 degrees C for 1-8 hours under conditions to obtain (I) substantially free of metallic nickel and nickel oxide. The preparation of (I) further comprises dispersing (I) in quartz wool. Preferred Components: (I) has a ratio of alumina to YSZ of 1/5-5/1. The alumina-YSZ support consists essentially of alumina and YSZ and comprises 1-2 w/w% of yttria and the catalyst comprises an active phase consisting essentially of the nickel aluminate spinel. (I) comprises a molar ratio of nickel/alumina of less than or equal to 1. (I) comprises 1-10 w/w% of nickel. (I) is dispersed in quartz wool. The zirconia of the support material comprises YSZ and the catalyst comprises a alumina-YSZ-supported nickel aluminate. The aqueous nitrate solution comprises nickel nitrate hexahydrate. The alumina and YSZ powders comprise particulate materials smaller than 40 pm. EXAMPLE - Gaseous propane was mixed with 110 degrees C steam before entering the pre-heating zone, which was maintained at 750 degrees C. The temperature just before the catalyst bed was 30-45 degrees C below the reaction temperature. Argon served as inert diluent and internal standard for liquid hydrocarbonaceous fuel steam reforming. Propane was reformed in the packed-bed reactor (PBR). The reactor was heated to the desired temperature under an argon blanket. The argon flow was switched off prior to feeding the reactant mixture. The reaction temperatures were 750 degrees C and 700 degrees C, pressure was atmospheric or slightly higher due to the pressure loss along the PBR set-up, and the steam-to-carbon molar ratio was 3. The gas hourly space velocity (GHSV) was 2900-5950 cm3(reac)g-1(cat)h-1 under reaction conditions. The observed hydrogen concentration was constant at 70 vol.% for the 12 hours of operation and methane concentration was below 1 vol.% for the entire reaction time.