The FIA has given Mosley the power to negotiate directly with the Formula One Teams Association over proposed measures to cut F1 team costs in half by 2010.
Our power rankings are based on a proprietary formula weighing salary, number of press clips returned on Lexis-Nexis, and by gauging popularity from searches on Dow Jones Interactive and Google.com.
But he suspects Jaguar and BMW will be selling passenger models equipped with KERS long before Formula One has made its power-boosting technology a decisive factor in winning races.
"Spending power" takes into account both the core "formula grant" which councils get from central government and other income - council tax and other grants.
Labour would support the Welsh government getting the power to vary income tax rates after a referendum if the Barnett formula that decides much Welsh spending is reformed and if it can be shown that it would be good for Wales.