11.   Efficiency is maximised by combining motive power from the petrol engine and the electric motor which are proportionally engaged, depending on driving conditions.

12.   Its biggest involvement was in designing the fuel injection system for the petrol engine.

13.   On the petrol engine, for instance, we had little past experience and our French collaborator helped us out.

14.   In conventional petrol engines, fuel is fed into the cylinders after being mixed with air, hampering fuel supply response and combustion control, the statement said.

15.   Above that the petrol engine takes over, at the same time charging the electric batteries.

16.   But Dacia is looking over its shoulder at Daewoo, and is anxious to renew links with Renault, especially to build an up-to-date petrol engine under licence.