他开始采用超级节油驾驶技术，通过提前减速和保持匀速来减少燃油消耗。

He practiced ___hypermiling by anticipating stops early and maintaining a constant speed to minimize fuel usage.

他通过超省油驾驶技术赢得了节油比赛。

He won the fuel-saving competition by practicing ___hypermiling.