Due to the problems of getting 100LL in many places, Lycoming is
seeking FAA approval for the standard compression engines to be able
to use 93 octane auto gas. Link to avweb article bellow. Sounds like
good news, since I have an O-360. Maybe airports will start to carry
it.

http://www.avweb.com/avwebflash/news..._198039-1.html

Regards,
Bud