Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Engine | Displacement | Valvetrain | Fuel system | Max. power at rpm | Max. torque at rpm |
| --- | --- | --- | --- | --- | --- | --- |
| Petrol engines | Petrol engines | Petrol engines | Petrol engines | Petrol engines | Petrol engines | Petrol engines |
| 1800 | PSA 169B | 1,796 cc | OHV 8v | Carburettor | PS (kW; hp) @ 4,800 rpm | N·m (lb·ft) @ 2,300 rpm |
| 2000 | PSA 170B | 1,971 cc | OHV 8v | Carburettor | PS (kW; hp) @ 5,000 rpm | N·m (lb·ft) @ 2,500 rpm |
| 2000 | PSA 170C | 1,971 cc | OHV 8v | Carburettor | PS (kW; hp) @ 4,750 rpm | N·m (lb·ft) @ 2,500 rpm |
| 2000 cat | PSA 170D | 1,971 cc | OHV 8v | Carburettor | PS (kW; hp) @ 4,750 rpm | N·m (lb·ft) @ 2,500 rpm |
| Diesel engines | Diesel engines | Diesel engines | Diesel engines | Diesel engines | Diesel engines | Diesel engines |
| 1929 D | Fiat 149B1000 | 1,929 cc | SOHC 8v | Indirect injection | PS (kW; hp) @ 4,600 rpm | N·m (lb·ft) @ 2,500 rpm |
| 1929 TD | Fiat 280A1000 | 1,929 cc | SOHC 8v | Indirect injection | PS (kW; hp) @ 4,100 rpm | N·m (lb·ft) @ 2,500 rpm |
| 2445 TD | Iveco 8144.21 | 2,445 cc | SOHC 8v | Direct injection | PS (kW; hp) @ 3,800 rpm | N·m (lb·ft) @ 2,200 rpm |
| 2500 D | Iveco 8144.61 | 2,445 cc | SOHC 8v | Indirect injection | PS (kW; hp) @ 4,200 rpm | N·m (lb·ft) @ 2,400 rpm |
| 2500 D | Iveco 8144.61 | 2,449 cc | SOHC 8v | Indirect injection | PS (kW; hp) @ 4,200 rpm | N·m (lb·ft) @ 2,200 rpm |
| 2500 D | Iveco 8144.67 | 2,500 cc | SOHC 8v | Indirect injection | PS (kW; hp) @ 4,200 rpm | N·m (lb·ft) @ 2,200 rpm |
| 2500 TD | Iveco 8140.27 | 2,500 cc | SOHC 8v | Direct injection | PS (kW; hp) @ 3,800 rpm | N·m (lb·ft) @ 2,000 rpm |
Question:
What Valvetrain has a fuel system made up of petrol engines?
Answer:
Petrol engines