请高手帮忙把下面一段话翻译成英语,谢谢！！

motivity and fuel economic will largely depend on the efficiency of the vehicle motivity transferring system.
不要采纳，因为写的不好，仅供参考。

Motive that the quality of the motive and fuel economy, to a large extent be decided by the vehicle to spread to move the system the reasonable degree that match