- Bend Bulletin main site
- Bend Bulletin archives
- Terms of Use
- Privacy Policy
- Contact the Bulletin
- Comments/Questions?
Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.
By Mike Allen / The Bulletin
December 21, 2008
Q: Please explain the RON and AKI fuel ratings.
A: Actually, there are three antiknock indexes. Gasoline engines can be prone to igniting the air/fuel mixture prematurely, whether it’s due to too much ignition advance, too much compression or a lean-burn condition. This premature....