Standard payload

Standard payload means the payload assumed for each vehicle, in tons, for modeling and calculating emission credits, as follows:
(1) For vocational vehicles:
(i) 2.85 tons for Light HDV.
(ii) 5.6 tons for Medium HDV.
(iii) 7.5 tons for Heavy HDV.
(2) For tractors:
(i) 12.5 tons for Class 7.
(ii) 19 tons for Class 8, other than heavy-haul tractors.
(iii) 43 tons for heavy-haul tractors.
(3) For trailers:
(i) 10 tons for short box vans.
(ii) 19 tons for other trailers.

Source

40 CFR § 1037.801


Scoping language

The following definitions apply to this part. The definitions apply to all subparts unless we note otherwise. All undefined terms have the meaning the Act gives to them. The definitions follow:

Is this correct? or