| High Level Abstraction (HLA) | Report |
|---|
| (1) (fuel,energy,hydrogen) | 100.00 |
| (2) (energy,oxygen) | 82.76 |
| (3) (fuel,energy,oxygen) | 81.03 |
| (4) (fuel,oxygen) | 76.72 |
| (5) (energy,release) | 75.86 |
| (6) (fuel,energy,release) | 71.55 |
| (7) (energy,pressurized) | 69.83 |
| (8) (fuel,energy,pressurized) | 66.38 |
| (9) (fuel,pressurized) | 63.79 |
| (10) (fuel,cylinder) | 63.79 |
| (11) (energy,piston) | 62.93 |
| (12) (fuel,energy,piston) | 60.34 |
| (13) (fuel,piston) | 56.90 |
| (14) (hydrogen,energy,piston) | 55.17 |
| (15) (hydrogen,energy,oxygen) | 52.59 |
| (16) (hydrogen,oxygen) | 43.97 |
| (17) (energy,cylinder) | 42.24 |
| (18) (fuel,energy,cylinder) | 37.93 |
| (19) (fuel,release) | 31.90 |
| (20) (fuel,hydrogen,oxygen) | 31.03 |
| (21) (hydrogen,energy,release) | 15.52 |
| (22) (hydrogen,release) | 13.79 |
| (23) (hydrogen,energy,pressurized) | 11.21 |
| (24) (hydrogen,energy,cylinder) | 7.76 |
| (25) (hydrogen,fossil) | 4.31 |
| (26) (hydrogen,risk) | 3.45 |
| (27) (hydrogen,cylinder) | 0.86 |