Octane enhancers used globally

The most consumed octane improver worldwide is ethanol. Its widespread use nowadays is driven by its renewable nature, effectiveness in boosting octane levels, and government mandates promoting biofuels, particularly in countries like the United States, Brazil, China, and India, which are among the largest gasoline markets in the world.

The second most consumed octane improver worldwide is methyl tert-butyl ether (MTBE). Despite environmental concerns, it remains widely used in regions such as parts of Asia and the Middle East, Eurasia, Latin America and the Caribbean, and Africa.

Ethyl ethyl tert-butyl ether (ETBE) is Japan’s most popular octane improver, which has the fourth biggest gasoline market and has a similar share to MTBE in the EU.

Despite global init