CO2emissions are one of the main causes of the greenhouse effect. Catalytic hydrogenation of CO2, such as methanol synthesis and methanation, could play an important role in reducing these emissions. By using a combination of the Zero Emission Petrol Vehicle (ZEPV) concept, catalytic hydrogenation of CO2 and methanol to gasoline (MTG) process gasoline can be re-synthesised from recycle CO2. However the low methanol yields, both selectivity and conversion, is the main problem in the methanol synthesis. The objectives of research in the University of Manchester are to examine the methanol synthesis behaviour in the lab scale tubular catalytic reactor, to investigate the effect of molecular Sieve 4A (MS 4A) on this synthesis and to analyse the feasibility study for a refinery. The experimental results showed that a maximum CO2 conversion was reached at 190??, 1 bar, 3600 h1 and H2/CO 2=4 and MS 4A adsorbed water hence the conversion of CO2 increased from 1.13% to 2.12%. The numerical model results predicted that the initial rate of methanol synthesis increases sharply at pressures into 50 atm and is then relatively constant at pressures above 50 atm. At 50 atm, the initial rate ratio is predicted to increase 35-45 times than the initial rate at 1 atm.Finally, material and energy balances were calculated for four possible chemical pathways for this re-synthesis (the direct CO2. hydrogenation, the Camere process, the methane to methanol process and the electrolysis process) to determine energy requirements in the refineries. By using the ZEPV concept, some 70 MT/year of CO2 from the combustion of about 22 MT/year of gasoline in around 30 million vehicles in UK can be liquefied at 70 bar and stored on board. This liquid CO2 is available to be converted back to gasoline via methanol. The 30% conversion, which was obtained from combination of experiment and numerical model results, was applied for direct hydrogenation of CO2. For the other chemical pathways, the conversion used was based on previous studies. Carrying out this recycling in a set of geographically distributed re-syn fuel refineries using offshore wind energy has no further requirement for exploration of crude oil, no limitation of raw material and furthermore no cost penalty for the emitted carbon value. The economic analysis shows that the present (2008) forecourt price for the typical oil refinery (98 p/1) is lower than this forecourt price for the re-syn fuel refinery using the offshore wind energy (109 p/1). By predicting that the wind energy cost will be reduced to as low as 2.5 p/kWh in the future (2020), it is estimated that the forecourt price of gasoline from this futuristic sustainable re-synthesis refinery would be decreased to 89 p/1. ??2011, AIDIC Servizi S.r.l.