in philippines its legal, and everywhere else its not.
FAA Advisory Circular 23.1521-1B, "Automobile gasoline not containing alcohol or other oxygenates, conforming to D-439 and D-4814 are essentially identical and may be used interchangeably."
Everywhere else it's illegal? You sure you're an FAA certificate holder? Think 2 times (sic) before you blow your horn, again.
philippines had alot of airplane crash compared to other countries. and the top 300 list of most dangerous airlines to ride with is pal and airphil.
A lot of shooting from the hip here. We'd appreciate if you back this up with your reference material.
Fly by the numbers!