Sec. 243. STANDARDS FOR LIGHT-DUTY CLEAN FUEL VEHICLES

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## SEC. 243 STANDARDS FOR LIGHT-DUTY CLEAN FUEL VEHICLES ###

(a)Exhaust Standards for Light-Duty Vehicles and Certain Light-Duty Trucks The standards set forth in this subsection shall apply in the case of clean-fuel vehicles which are light-duty trucks of up to 6,000 lbs. gross vehicle weight rating (gvwr)134 (but not including light-duty trucks of more than 3,750 lbs. loaded vehicle weight (lvw))135 or light-duty vehicles: 134So in original. Probably should be “GVWR”. 135So in original. Probably should be “LVW”. ####

(1)Phase i Beginning with model year 1996, for the air pollutants specified in the following table, the clean-fuel vehicle standards under this section shall provide that vehicle exhaust emissions shall not exceed the levels specified in the following table: Phase I Clean Fuel Vehicle Emission Standards for Light-Duty Trucks of up to 3,750 Lbs. LVW and up to 6,000 Lbs. GVWR and Light-Duty Vehicles PollutantNMOGCONOxPMHCHO (formaldehyde)Standards are expressed in grams per mile (gpm).*Standards for particulates

(PM)shall apply only to diesel-fueled vehicles.In the case of the 50,000 mile standards and the 100,000 mile standards, for purposes of certification, the applicable useful life shall be 50,000 miles or 100,000 miles, respectively.50,000 mile standard 0.160 4.4 0.7 0.018 100,000 mile standard 0.200 5.5 0.9 0.08* 0.023 ####

(2)Phase ii Beginning with model year 2001, for air pollutants specified in the following table, the clean-fuel vehicle standards under this section shall provide that vehicle exhaust emissions shall not exceed the levels specified in the following table. Phase II Clean Fuel Vehicle Emission Standards for Light-Duty Trucks of up to 3,750 Lbs. LVW and up to 6,000 Lbs. GVWR and Light-Duty Vehicles PollutantNMOGCONOxPM*HCHO (formaldehyde)Standards are expressed in grams per mile (gpm).*Standards for particulates

(PM)shall apply only to diesel-fueled vehicles.In the case of the 50,000 mile standards and the 100,000 mile standards, for purposes of certification, the applicable useful life shall be 50,000 miles or 100,000 miles, respectively.50,000 mile standard 0.075 3.4 0.2 0.015 100,000 mile standard 0.090 4.2 0.3 0.08 0.018 ###

(b)Exhaust Standards for Light-Duty Trucks of More Than 3,750 Lbs. LVW and up to 5,750 Lbs. LVW and up to 6,000 Lbs. GVWR The standards set forth in this paragraph shall apply in the case of clean-fuel vehicles which are light-duty trucks of more than 3,750 lbs. loaded vehicle weight (lvw)136 but not more than 5,750 lbs. lvw136 and not more than 6,000 lbs. gross weight rating (GVWR): 136So in original. Probably should be “LVW”. ####

(1)Phase i Beginning with model year 1996, for the air pollutants specified in the following table, the clean-fuel vehicle standards under this section shall provide that vehicle exhaust emissions shall not exceed the levels specified in the following table. Phase I Clean Fuel Vehicle Emission Standards for Light-Duty Trucks of More than 3,750 Lbs. and up to 5,750 Lbs. LVW and up to 6,000 Lbs. GVWR PollutantNMOGCONOxPM*HCHO (formaldehyde)Standards are expressed in grams per mile (gpm).*Standards for particulates

(2)Phase ii Beginning with model year 2001, for the air pollutants specified in the following table, the clean-fuel vehicle standards under this section shall provide that vehicle exhaust emissions shall not exceed the levels specified in the following table. Phase II Clean Fuel Vehicle Emission Standards for Light-Duty Trucks of More Than 3,750 Lbs. LVW and up to 5,750 Lbs. LVW and up to 6,000 Lbs. GVWR PollutantNMOGCONOxPM*HCHO (formaldehyde)Standards are expressed in grams per mile (gpm).*Standards for particulates

(PM)shall apply only to diesel-fueled vehicles.In the case of the 50,000 mile standards and the 100,000 mile standards, for purposes of certification, the applicable useful life shall be 50,000 miles or 100,000 miles, respectively.50,000 mile standard 0.100 4.4 0.4 0.018 100,000 mile standard 0.130 5.5 0.5 0.08 0.023 ###

(c)Exhaust Standards for Light-Duty Trucks Greater Than 6,000 Lbs. GVWR The standards set forth in this subsection shall apply in the case of clean-fuel vehicles which are light-duty trucks of more than 6,000 lbs. gross weight rating

(GVWR)and less than or equal to 8,500 lbs. GVWR, beginning with model year 1998. For the air pollutants specified in the following table, the clean-fuel vehicle standards under this section shall provide that vehicle exhaust emissions of vehicles within the test weight categories specified in the following table shall not exceed the levels specified in such table. Clean Fuel Vehicle Emission Standards for Light137 Duty Trucks Greater Than 6,000 lbs. GVWR Test Weight Category: Up to 3,750 lbs. tw138PollutantNMOGCONOxPM*HCHO (formaldehyde)50,000 mile standard 0.125 3.4 0.4** 0.015 120,000 mile standard 0.180 5.0 0.6 0.08 0.022 137Probably should be “Light-Duty”.138So in original. Probably should be “TW”. Test Weight Category: Above 3,750 but not above 5,750 lbs. TWPollutantNMOGCONOxPM*HCHO (formaldehyde)50,000 mile standard0.1604.40.7** 0.018 120,000 mile standard 0.230 6.4 1.0 0.10 0.027 Test Weight Category: Above 5,750 TW but not above 8,500 lbs. GVWRPollutantNMOGCONOxPM*HCHO (formaldehyde)Standards are expressed in grams per mile (gpm).*Standards for particulates

(PM)shall apply only to diesel-fueled vehicles.In the case of the 50,000 mile standards and the 100,000 mile standards, for purposes of certification, the applicable useful life shall be 50,000 miles or 100,000 miles, respectively.50,000 mile standard 0.1955.0 1.1** 0.022 120,000 mile standard 0.280 7.3 1.5 0.12 0.032 ###

(d)Flexible and Dual-Fuel Vehicles ####

(1)In general The Administrator shall establish standards and requirements under this section for the model year 1996 and thereafter for vehicles weighing not more than 8,500 lbs. gvwr139 which are capable of operating on more than one fuel. Such standards shall require that such vehicles meet the exhaust standards applicable under subsection140 (a), (b), and

(c)for CO, NOx, and HCHO, and if appropriate, PM for single-fuel vehicles of the same vehicle category and model year. 139So in original. Probably should be “GVWR”. 140Probably should be “subsections”. ####

(2)Exhaust nmog standard for operation on clean alternative fuel In addition to standards for the pollutants referred to in paragraph (1), the standards established under paragraph

(1)shall require that vehicle exhaust emissions of NMOG not exceed the levels (expressed in grams per mile) specified in the tables below when the vehicle is operated on the clean alternative fuel for which such vehicle is certified: NMOG Standards for Flexible- and Dual-Fueled Vehicles When Operating on Clean Alternative Fuel Light-duty141 Trucks up to 6,000 lbs. GVWR and Light-dutyVehicle TypeColumn A (50,000 mi.) Standard (gpm)Column B (100,000 mi.) Standard (gpm)For standards under column A, for purposes of certification under section 206, the applicable useful life shall be 50,000 miles.For standards under column B, for purposes of certification under section 206, the applicable useful life shall be 100,000 miles.Beginning MY 1996: LDT's (0–3,750 lbs. LVW) and light-duty vehicles0.1250.156LDT's (3,751–5,750 lbs. LVW)0.1600.20Beginning MY 2001: LDT's (0–3,750 lbs. LVW) and light-duty vehicles0.0750.090LDT's (3,751–5,750 lbs. LVW)0.1000.130 141Probably should have been capitalized.Light-duty141 Trucks More than141 6,000 lbs. GVWRVehicle TypeColumn A (50,000 mi.) Standard Column B (120,000 mi.) StandardFor standards under column A, for purposes of certification under section 206, the applicable useful life shall be 50,000 miles.For standards under column B, for purposes of certification under section 206, the applicable useful life shall be 120,000 miles.Beginning MY 1998: LDT's (0–3,750 lbs. TW)0.1250.180LDT's (3,751–5,750 lbs. TW)0.1600.230LDT's (above 5,750 lbs. TW)0.1950.280 ####

(3)NMOG standard for operation on conventional fuel In addition to the standards referred to in paragraph (1), the standards established under paragraph

(1)shall require that vehicle exhaust emissions of NMOG not exceed the levels (expressed in grams per mile) specified in the tables below: NMOG Standards for Flexible- and Dual-Fueled Vehicles When Operating on Conventional Fuel Light-duty141 Trucks of up to 6,000 lbs. GVWR and Light-duty141 vehicles141Vehicle TypeColumn A (50,000 mi.) Standard (gpm)Column B (100,000 mi.) Standard (gpm)For standards under column A, for purposes of certification under section 206, the applicable useful life shall be 50,000 miles.For standards under column B, for purposes of certification under section 206, the applicable useful life shall be 100,000 miles.Beginning MY 1996: LDT's (0–3,750 lbs. LVW) and light-duty vehicles 0.250.31 LDT's (3,751–5,750 lbs. LVW)0.320.40 Beginning MY 2001 LDT's (0–3,750 lbs. LVW) and light-duty vehicles0.1250.156LDT's (3,751–5,750 lbs. LVW)0.1600.200Light-duty141 Trucks of up to 6,000 lbs. GVWRVehicle TypeColumn A (50,000 mi.) StandardColumn B (120,000 mi.) StandardFor standards under column A, for purposes of certification under section 206, the applicable useful life shall be 50,000 miles.For standards under column B, for purposes of certification under section 206, the applicable useful life shall be 100,000 miles.Beginning MY 1998: LDT's (0–3,750 lbs. TW)0.250.36LDT's (3,751–5,750 lbs. TW)0.320.46LDT's (above 5,750 lbs. TW)0.390.56 ###

(e)Replacement by CARB Standards ####

(1)Single set of carb standards If the State of California promulgates regulations establishing and implementing a single set of standards applicable in California pursuant to a waiver approved under section 209 to any category of vehicles referred to in subsection (a), (b), (c), or

(d)of this section and such set of standards is, in the aggregate, at least as protective of public health and welfare as the otherwise applicable standards set forth in section 242 and subsection (a), (b), (c), or

(d)of this section, such set of California standards shall apply to clean-fuel vehicles in such category in lieu of the standards otherwise applicable under section 242 and subsection (a), (b), (c), or

(d)of this section, as the case may be. ####

(2)Multiple sets of carb standards If the State of California promulgates regulations establishing and implementing several different sets of standards applicable in California pursuant to a waiver approved under section 209 to any category of vehicles referred to in subsection (a), (b), (c), or

(d)of this section and each of such sets of California standards is, in the aggregate, at least as protective of public health and welfare as the otherwise applicable standards set forth in section 242 and subsection (a), (b), (c), or

(d)of this section, such standards shall be treated as “qualifying California standards” for purposes of this paragraph. Where more than one set of qualifying standards are established and administered by the State of California, the least stringent set of qualifying California standards shall apply to the clean-fuel vehicles concerned in lieu of the standards otherwise applicable to such vehicles under section 242 and this section. ###

(f)Less Stringent CARB Standards If the Low-Emission Vehicle and Clean Fuels Regulations of the California Air Resources Board applicable to any category of vehicles referred to in subsection (a), (b), (c), or

(d)of this section are modified after the enactment of the Clean Air Act of 1990 to provide an emissions standard which is less stringent than the otherwise applicable standard set forth in subsection (a), (b), (c), or (d), or if any effective date contained in such regulations is delayed, such modified standards or such delay (or both, as the case may be) shall apply, for an interim period, in lieu of the standard or effective date otherwise applicable under subsection (a), (b), (c), or

(d)to any vehicles covered by such modified standard or delayed effective date. The interim period shall be a period of not more than 2 model years from the effective date otherwise applicable under subsection (a), (b), (c), or (d). After such interim period, the otherwise applicable standard set forth in subsection (a), (b), (c), or

(d)shall take effect with respect to such vehicles (unless subsequently replaced under subsection (e)). ###

(g)Not Applicable to Heavy-Duty Vehicles Notwithstanding any provision of the Low-Emission Vehicle and Clean Fuels Regulations of the California Air Resources Board nothing in this section shall apply to heavy-duty engines in vehicles of more than 8,500 lbs. GVWR. **[**[42 U.S.C. 7583](/us/usc/t42/s7583)**]**

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U.S. Code

Standards for light-duty clean-fuel vehicles
§ 7583

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Sec. 243

STANDARDS FOR LIGHT-DUTY CLEAN FUEL VEHICLES

U.S.C.§ 7583

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