| Cycle Usage | Brayton jets | Otto motorcycle | Diesel trucks | Carnot theory |
|---|---|---|---|---|
| pV Diagram | 
| 
| 
| 
|
(Khan Academy)| Process | Conversion Type | η |
|---|---|---|
| Gas turbine (Input: coal) | chemical → thermal → electrical | ≈ 33% |
| Gas turbine (Input: natural gas) | chemical → thermal → electrical | ≈ 45% |
| Water turbine | gravitational → electrical | < 40% |
| Electrical Transmission | electrical → electrical | 94% |
| Charging Battery (AC→DC | electrical → electrical | 90% |
| Gasoline Engine | chemical → kinetic | 25% → 50% |
| Diesel Engine | chemical → kinetic | 45% |
| Electric Engine | electrical → kinetic | ≈ 90% |