| Year | 2013 |
| Date | 11-Jan |
| Volume | 210 |
| Issue | 4,447 |
| Page | 120 |
| Category | Internal Combustion |
| Part | |
| Title | A Gas Regulator for I/C Engines |
| Author | John Wood |
| Notes | Adds a 'Gas Bag' to his engine set-up. First - identify the requirement, operation, mounting and coupling up, references |