| 
                                                                Dr David Clarke Chief Executive, Energy Technologies Institute  | 
                                                                |
| 
                                                                Dr Mark Henstridge Director, Group Economics, BP  | 
                                                                |
| 
                                                                Willy Rickett Director General Energy, Department of Energy and Climate Change  | 
                                                                
Engineering and Physical Sciences Research Council
Engineering and Technology Board
Shell UK Limited
This discussion appeared in the FST journal below.