Subclass

Subclass means a classification of heavy-duty engines of heavy-duty vehicles based on such factors as gross vehicle weight rating, fuel usage (gasoline-, diesel-, and methanol-fueled), vehicle usage, engine horsepower or additional criteria that the Administrator shall apply. Subclasses include, but are not limited to:
(i) Light-duty gasoline-fueled Otto cycle trucks (6,001–8,500 lb. GVW)
(ii) Light-duty methanol-fueled Otto cycle trucks (6,001–8,500 lb. GVW)
(iii) Light-duty petroleum-fueled diesel trucks (6,001–8,500 lb. GVW)
(iv) Light-duty methanol-fueled diesel trucks (6,001–8,500 lb. GVW)
(v) Light heavy-duty gasoline-fueled Otto cycle engines (for use in vehicles of 8,501–14,000 lb. GVW)
(vi) Light heavy-duty methanol-fueled Otto cycle engines (for use in vehicles of 8,501–14,000 lb. GVW)
(vii) Heavy heavy-duty gasoline-fueled Otto cycle engines (for use in vehicles of 14,001 lb and above GVW)
(viii) Heavy heavy-duty methanol-fueled Otto cycle engines (for use in vehicles of 14,001 lb. and above GVW)
(ix) Light heavy-duty petroleum-fueled diesel engines (see § 86.085–2(a)(1))
(x) Light heavy-duty methanol-fueled diesel engines (see § 86.085–2(a)(1))
(xi) Medium heavy-duty petroleum-fueled diesel engines (see § 86.085–2(a)(2))
(xii) Medium heavy-duty methanol-fueled diesel engines (see § 86.085–2(a)(2))
(xiii) Heavy heavy-duty petroleum-fueled diesel engines (see § 86.085–2(a)(3))
(xiv) Heavy heavy-duty methanol-fueled diesel engines (see § 86.085–2(a)(3))
(xv) Petroleum-fueled Urban Bus engines (see § 86.091–2)
(xvi) Methanol-fueled Urban Bus engines (see § 86.091–2).

Source

40 CFR § 86.1102-87

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Scoping language

The definitions in this section apply to this subpart.

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