RLI BioSyn is just as green, has the same claim of biodegradability (which is nearly worthless considering that the oil has particulate heavy metals after use that make it hazardous waste) and has some testing results here.
however, RLI does not have API certification, and without it i wouldn't use ANY oil. EOM is a site sponsor as well as Schaeffer's, if they can both get there, i can't see why any serious oil mfg or blender can't, it's not like the requirement is onerous or that expensive.