Grades available on the market
Based on the bioethanol content, three grades of gasoline are sold in Japan:
•Gasoline (containing bio-ethyl tert-butyl ether of up to 7% v/v)
•E3 gasoline (gasoline containing up to 3% v/v of bioethanol)
•E7 gasoline (gasoline containing up to 7% v/v of bioethanol)
Gasoline is sold in almost all refueling stations (about 29,000) across the country, while E3 is sold at 14 out of 29,000 stations and E7 is at a pilot sale stage in one station in Nagoya.