Oil optimists say that new techniques of discovery and retrieval will keep production high for many years to come, thus forestalling an early peak in production. 持樂(lè )觀(guān)態(tài)度的人則表示,新的探勘及開(kāi)采技術(shù)會(huì )讓高產(chǎn)量維持許多年,因此最高峰不會(huì )太早來(lái)臨。