| 1 | Is this the end of the internal-combustion engine? | |
| 2 | "Electric propulsion has a lot of benefits over internal combustion engines," he said. | |
| 3 | By 2020, only 40% of cars should have internal combustion engines, " it suggested. | |
| 4 | In addition, the car is fitted with a small "range-extending" combustion engine. | |
| 5 | All incorporate an internal combustion engine, a generator for recharging and an electric motor. |