Now, I find this. Go figure...........
Guizhou Tyre Corp. has joined a growing list of Chinese radial medium truck tire manufacturers with products receiving verification for the EPA SmartWay program.
The tiremaker's all-position Samson GL283A LET and Advance GL283A LET both earned EPA approval.
The tires are both available in sizes 11R22.5, 11R24.5, 285/75R22.5, 395/75R22.5, 275/70R22.5, 255/70R22.5, 265/70R19.5, 245/70R19.5, 235/75R17.5, 225/70R19.5, 8R19.5 and 215/75R17.5.