QUEENSLAND COAL MINE
| Date | Site Engineer | Type Test | Units measured | Efficiency benefit |
| 1984 | KJ Brown | Operational (short term statistical study) | Litres.hrs/T.km | Aver 11.5% |
| 1989-90 |
Steve Lloyd/ John Keogh |
CMB (AS2077-1982) 4 Haulers |
Grams/sec Carbon used |
Aver 7.1% Range 5.8 to 7.8 |
| 1990 | Steve Lloyd/ John Keogh | ASTM D 2156-63T Exhaust particulates | Bacharach units | Aver 27% reduction |
| 1990 |
Steve Lloyd/ John Keogh |
12 months statistical Review |
L/hr Fleet average |
8.2%
|
| 1990 | John Keogh | Observations and subjective comment | Valve failures in Cummins 1710 dramatically reduced, less visible smoke, less engine carbon | |
| 1992-1993 | Bob Pinkerton | Demountable fuel tank, 5 min fast idle, no load | Litres consumed | Aver 3.3% |
| 1997 | Mark Rough | SAE Type II Truck test (2 Cat 784B) | Tonne.km/kg fuel |
Aver 7.1% Range 5.3 to 11.7% |
| 1996-1997 | Stores records | Comparison various untreated periods | Litres. Whole of mine use | Range 6-9% |
