Where:
mSC03 = mass emissions from the SC03 test interval, in grams.
DSC03 = measured driving distance during the SC03 test interval, in miles.
mHFET = mass emissions from the HFET test interval, in grams.
DHFET = measured driving distance during the HFET test interval, in miles.
40 C.F.R. §1066.845