| Regulation on oil and natural gas losses |  |  | Brazil | 2000 | 
              
                                                                                                        | Gas Hydrates Research |  |  | Canada | 1999 | 
              
                                                                                                        | Fuel Switching in Power Production - Oil to Gas |  |  | Italy | 1999 | 
              
                                                                                                        | Eco-Tax Reform - First Stage |  |  | Germany | 1999 | 
              
                                                                                                        | Clean Coal and Natural Gas Power Systems Program |  |  | United States of America | 1997 | 
              
                                                                                                        | Reformulated Gasoline Program |  |  | United States of America | 1995 | 
              
                                                                                                        | Law Concerning the Rational Use of Energy (Energy Conservation Act) (Law No.49) |  |  | Japan | 1979 | 
              
                                                                                                        | Integrated Resource Plan (IRP) |  |  | South Africa |  |