Answer
Two main methods of increasing Octane number are:
1. Mixing octane / isooctane in fuel
2. Cracking larger chains of alkanes in a way to produce components which have higher octane ratio.
Work Step by Step
Given above
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.