octane rating

archerka@plu.edu
Sun, 02 Mar 1997 22:25:24 -0800 (PST)

I'm not sure if this is important but what exactly is an octane rating?
For example what does it mean to have an octance rating of zero?

Another question. Section 4.13 is not listed on our study sheet. Do we
have to study this section?

K.Archer