Also known as: Research octane

RON is one of the two primary measures of the octane value of gasoline or a gasoline blend stock.

RON is a measure of octane value under steady engine operation, such as cruising at constant speed.

McKinsey uses cookies to improve site functionality, provide you with a better browsing experience, and to enable our partners to advertise to you. Detailed information on the use of cookies on this Site, and how you can decline them, is provided in our cookie policy. By using this Site or clicking on "OK", you consent to the use of cookies.