| Registration Tax Reduction - Nox             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Norway             | 
                                                                                                        1990             | 
                  
              
                                                                                                        | The Energy Act, No. 50 of 1990             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Norway             | 
                                                                                                        1990             | 
                  
              
                                                                                                        | VAT on gasoline and petrol             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Sweden             | 
                                                                                                        1990             | 
                  
              
                                                                                                        | CO2 Tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Finland             | 
                                                                                                        1990             | 
                  
              
                                                                                                        | GHG Tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Poland             | 
                                                                                                        1990             | 
                  
              
                                                                                                        | 250 MW Wind Programme             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Germany             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Energy labelling for Electric and Gas Appliances             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Australia             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Environmental Protection Law             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        China             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Law on the Protection of Wildlife             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        China             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Minimum Energy Performance Standards (MEPS)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        China             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | National Programme for Control of Air Quality - PRONAR             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Brazil             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | National System for Preventing and Combating Forest Fires - PREVFOGO             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Brazil             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Ozone Protection and Synthetic Greenhouse Gas Management Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Australia             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Reforestation Fund             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Indonesia             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Building Control Act (Chapter 29)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Singapore             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | The Energy Resources Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Israel             | 
                                                                                                        1989             | 
                  
              
                                                                                                        | Alternative Motor Fuels Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        United States of America             | 
                                                                                                        1988             | 
                  
              
                                                                                                        | Appliance and Equipment Energy efficiency Standards             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        United States of America             | 
                                                                                                        1988             | 
                  
              
                                                                                                        | Fuel Efficiency labelling             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Republic of Korea             | 
                                                                                                        1988             | 
                  
              
                                                                                                        | Research Funding for the Development of Renewable Energy Sources             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Republic of Korea             | 
                                                                                                        1988             |