ハイオク

はいおく
noun
high-octane gasoline; premium (fuel)
transportation
1. high-octane gasoline; premium
Premium gasoline with a high octane rating, required by some high-performance and imported cars. Short for ハイオクタンガソリン. At a Japanese gas station it is one of three standard choices with レギュラー and 軽油(けいゆ) (diesel).
ハイオク満(まん)タンで。
Fill it up with premium, please.
This car requires premium gasoline.
ハイオクはレギュラーより一(いち)リットルあたり十円(じゅうえん)ほど高(たか)い。
Premium costs about ten yen more per liter than regular.

Clipped from English "high-octane".

Related words

Do not confuse with the homophone 廃屋(はいおく) (abandoned house).