confused by regulation

Good info here from everyone--and jus cause it is a good place to get on me soapbox--someone here mentioned Biodiesel and not needed placards..I love that--couldn't believe it when I saw the tank pumpin off--lets see-internal combustion--dielsel--no spark--requires compression then big explosion--and you want me to put this stuff in my engine that dont even catch fire--so anywayLMAO

 

Flamability is determined by the flash point of the material. Gasoline [FP -45] is flammable while diesel fuel [FP +141] is combustible [US only and soon to dissapear] and once the Flash is over 200 degrees it is not regulated. Many base lubrication oils have flashpoints over 200 other wise the oil would burn instead of lubricating...