1     
NOISE POLLUTION AMENDMENTS

2     
2023 GENERAL SESSION

3     
STATE OF UTAH

4     
Chief Sponsor: Gay Lynn Bennion

5     
Senate Sponsor: ____________

6     

7     LONG TITLE
8     General Description:
9          This bill requires an inspection of noise suppression equipment at the time of a vehicle
10     emissions inspection as a prerequisite to registration of a motor vehicle.
11     Highlighted Provisions:
12          This bill:
13          ▸     requires vehicles subject to an emissions inspection to be inspected for compliance
14     with noise suppression equipment requirements;
15          ▸     requires proof of the inspection as a condition of registration; and
16          ▸     makes technical changes.
17     Money Appropriated in this Bill:
18          None
19     Other Special Clauses:
20          This bill provides a special effective date.
21     Utah Code Sections Affected:
22     AMENDS:
23          41-6a-1626, as last amended by Laws of Utah 2021, Chapter 282
24          41-6a-1642, as last amended by Laws of Utah 2022, Chapters 160, 259
25     

26     Be it enacted by the Legislature of the state of Utah:
27          Section 1. Section 41-6a-1626 is amended to read:

28          41-6a-1626. Mufflers -- Prevention of noise, smoke, and fumes -- Air pollution
29     control devices.
30          (1) (a) A vehicle shall be equipped, maintained, and operated to prevent excessive or
31     unusual noise.
32          (b) A motor vehicle shall be equipped with a muffler or other effective noise
33     suppressing system in good working order and in constant operation.
34          (c) A person may not use a muffler cut-out, bypass, or similar device on a vehicle.
35          (d) As part of an emissions inspection described in Section 41-6a-1642, an emissions
36     inspection station shall inspect each motor vehicle subject to an emissions inspection to ensure
37     compliance with the noise prevention equipment requirements in this section.
38          (2) (a) Except while the engine is being warmed to the recommended operating
39     temperature, the engine and power mechanism of a gasoline-powered motor vehicle may not
40     emit visible contaminants during operation.
41          (b) (i) As used in this Subsection (2)(b), "heavy tow" means a tow that exceeds the
42     vehicle's maximum tow weight.
43          (ii) A diesel engine manufactured on or after January 1, 2008, may not emit visible
44     contaminants during operation:
45          (A) except while the engine is being warmed to the recommended operating
46     temperature or under a heavy tow; or
47          (B) unless the diesel engine is in a vehicle with a manufacturer's gross vehicle weight
48     rating in excess of 26,000 pounds.
49          (iii) A diesel engine manufactured before January 1, 2008, may not emit visible
50     contaminants of a shade or density that obscures a contrasting background by more than 20%,
51     for more than five consecutive seconds:
52          (A) except while the engine is being warmed to the recommended operating
53     temperature or under a heavy tow; or
54          (B) unless the diesel engine is in a vehicle with a manufacturer's gross vehicle weight
55     rating in excess of 26,000 pounds.
56          (c) A person who violates the provisions of Subsection (2)(a) is guilty of an infraction
57     and shall be fined:
58          (i) not less than $50 for a violation; or

59          (ii) not less than $100 for a second or subsequent violation within three years of a
60     previous violation of this section.
61          (d) A person who violates the provisions of Subsection (2)(b) is guilty of an infraction
62     and shall be fined:
63          (i) not less than $100 for a violation; or
64          (ii) not less than $500 for a second or subsequent violation within three years of a
65     previous violation of this section.
66          (e) (i) As used in this section:
67          (A) "Local health department" means the same as that term is defined in Section
68     26A-1-102.
69          (B) "Nonattainment area" means a part of the state where air quality is determined to
70     exceed the National Ambient Air Quality Standards, as defined in the Clean Air Act
71     Amendments of 1970, Pub. L. No. 91-604, Sec. 109, for fine particulate matter (PM 2.5).
72          (ii) Within a nonattainment area, for a second or subsequent violation of Subsection
73     (2)(a) or (2)(b), the court shall report the violations to the local health department at a regular
74     interval.
75          (iii) If the local health department receives a notification as described in Subsection
76     (2)(e)(ii), and the local health department determines that the registered vehicle is unable to
77     meet state or local air emission standards, the local health department shall send notification to
78     the Motor Vehicle Division.
79          (3) (a) If a motor vehicle is equipped by a manufacturer with air pollution control
80     devices, the devices shall be maintained in good working order and in constant operation.
81          (b) For purposes of the first sale of a vehicle at retail, an air pollution control device
82     may be substituted for the manufacturer's original device if the substituted device is at least as
83     effective in the reduction of emissions from the vehicle motor as the air pollution control
84     device furnished by the manufacturer of the vehicle as standard equipment for the same vehicle
85     class.
86          (c) A person who renders inoperable an air pollution control device on a motor vehicle
87     is guilty of an infraction.
88          (4) Subsection (3) does not apply to a motor vehicle altered and modified to use clean
89     fuel, as defined under Section 59-13-102, when the emissions from the modified or altered

90     motor vehicle are at levels that comply with existing state or federal standards for the emission
91     of pollutants from a motor vehicle of the same class.
92          (5) A violation of Subsection (1), (2), or (3) is an infraction.
93          Section 2. Section 41-6a-1642 is amended to read:
94          41-6a-1642. Emissions inspection -- County program.
95          (1) The legislative body of each county required under federal law to utilize a motor
96     vehicle emissions inspection and maintenance program or in which an emissions inspection
97     and maintenance program is necessary to attain or maintain any national ambient air quality
98     standard shall require:
99          (a) a certificate of emissions inspection, a waiver, or other evidence the motor vehicle
100     is exempt from emissions inspection and maintenance program requirements be presented:
101          (i) as a condition of registration or renewal of registration; and
102          (ii) at other times as the county legislative body may require to enforce inspection
103     requirements for individual motor vehicles, except that the county legislative body may not
104     routinely require a certificate of emissions inspection, or waiver of the certificate, more often
105     than required under Subsection (9); and
106          (b) compliance with this section for a motor vehicle registered or principally operated
107     in the county and owned by or being used by a department, division, instrumentality, agency, or
108     employee of:
109          (i) the federal government;
110          (ii) the state and any of its agencies; or
111          (iii) a political subdivision of the state, including school districts.
112          (2) A vehicle owner subject to Subsection (1) shall obtain a motor vehicle emissions
113     inspection and maintenance program certificate of emissions inspection as described in
114     Subsection (1), but the program may not deny vehicle registration based solely on the presence
115     of a defeat device covered in the Volkswagen partial consent decrees or a United States
116     Environmental Protection Agency-approved vehicle modification in the following vehicles:
117          (a) a 2.0-liter diesel engine motor vehicle in which its lifetime nitrogen oxide
118     emissions are mitigated in the state pursuant to a partial consent decree, including:
119          (i) Volkswagen Jetta, model years 2009, 2010, 2011, 2012, 2013, 2014, and 2015;
120          (ii) Volkswagen Jetta Sportwagen, model years 2009, 2010, 2011, 2012, 2013, and

121     2014;
122          (iii) Volkswagen Golf, model years 2010, 2011, 2012, 2013, 2014, and 2015;
123          (iv) Volkswagen Golf Sportwagen, model year 2015;
124          (v) Volkswagen Passat, model years 2012, 2013, 2014, and 2015;
125          (vi) Volkswagen Beetle, model years 2013, 2014, and 2015;
126          (vii) Volkswagen Beetle Convertible, model years 2013, 2014, and 2015; and
127          (viii) Audi A3, model years 2010, 2011, 2012, 2013, and 2015; and
128          (b) a 3.0-liter diesel engine motor vehicle in which its lifetime nitrogen oxide
129     emissions are mitigated in the state to a settlement, including:
130          (i) Volkswagen Touareg, model years 2009, 2010, 2011, 2012, 2013, 2014, 2015, and
131     2016;
132          (ii) Audi Q7, model years 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016;
133          (iii) Audi A6 Quattro, model years 2014, 2015, and 2016;
134          (iv) Audi A7 Quattro, model years 2014, 2015, and 2016;
135          (v) Audi A8, model years 2014, 2015, and 2016;
136          (vi) Audi A8L, model years 2014, 2015, and 2016;
137          (vii) Audi Q5, model years 2014, 2015, and 2016; and
138          (viii) Porsche Cayenne Diesel, model years 2013, 2014, 2015, and 2016.
139          (3) (a) The legislative body of a county identified in Subsection (1), in consultation
140     with the Air Quality Board created under Section 19-1-106, shall make regulations or
141     ordinances regarding:
142          (i) emissions standards;
143          (ii) test procedures;
144          (iii) inspections stations;
145          (iv) repair requirements and dollar limits for correction of deficiencies; and
146          (v) certificates of emissions inspections.
147          (b) In accordance with Subsection (3)(a), a county legislative body:
148          (i) shall make regulations or ordinances to attain or maintain ambient air quality
149     standards in the county, consistent with the state implementation plan and federal
150     requirements;
151          (ii) may allow for a phase-in of the program by geographical area; and

152          (iii) shall comply with the analyzer design and certification requirements contained in
153     the state implementation plan prepared under Title 19, Chapter 2, Air Conservation Act.
154          (c) The county legislative body and the Air Quality Board shall give preference to an
155     inspection and maintenance program that:
156          (i) is decentralized, to the extent the decentralized program will attain and maintain
157     ambient air quality standards and meet federal requirements;
158          (ii) is the most cost effective means to achieve and maintain the maximum benefit with
159     regard to ambient air quality standards and to meet federal air quality requirements as related to
160     vehicle emissions; and
161          (iii) provides a reasonable phase-out period for replacement of air pollution emission
162     testing equipment made obsolete by the program.
163          (d) The provisions of Subsection (3)(c)(iii) apply only to the extent the phase-out:
164          (i) may be accomplished in accordance with applicable federal requirements; and
165          (ii) does not otherwise interfere with the attainment and maintenance of ambient air
166     quality standards.
167          (4) The following vehicles are exempt from an emissions inspection program and the
168     provisions of this section:
169          (a) an implement of husbandry as defined in Section 41-1a-102;
170          (b) a motor vehicle that:
171          (i) meets the definition of a farm truck under Section 41-1a-102; and
172          (ii) has a gross vehicle weight rating of 12,001 pounds or more;
173          (c) a vintage vehicle as defined in Section 41-21-1:
174          (i) if the vintage vehicle has a model year of 1980 or older; or
175          (ii) for a vintage vehicle that has a model year of 1981 or newer, if the owner provides
176     proof of vehicle insurance that is a type specific to a vehicle collector;
177          (d) a custom vehicle as defined in Section 41-6a-1507;
178          (e) to the extent allowed under the current federally approved state implementation
179     plan, in accordance with the federal Clean Air Act, 42 U.S.C. Sec. 7401, et seq., a motor
180     vehicle that is less than two years old on January 1 based on the age of the vehicle as
181     determined by the model year identified by the manufacturer;
182          (f) a pickup truck, as defined in Section 41-1a-102, with a gross vehicle weight rating

183     of 12,000 pounds or less, if the registered owner of the pickup truck provides a signed
184     statement to the legislative body stating the truck is used:
185          (i) by the owner or operator of a farm located on property that qualifies as land in
186     agricultural use under Sections 59-2-502 and 59-2-503; and
187          (ii) exclusively for the following purposes in operating the farm:
188          (A) for the transportation of farm products, including livestock and its products,
189     poultry and its products, floricultural and horticultural products; and
190          (B) in the transportation of farm supplies, including tile, fence, and every other thing or
191     commodity used in agricultural, floricultural, horticultural, livestock, and poultry production
192     and maintenance;
193          (g) a motorcycle as defined in Section 41-1a-102;
194          (h) an electric motor vehicle as defined in Section 41-1a-102; and
195          (i) a motor vehicle with a model year of 1967 or older.
196          (5) The county shall issue to the registered owner who signs and submits a signed
197     statement under Subsection (4)(f) a certificate of exemption from emissions inspection
198     requirements for purposes of registering the exempt vehicle.
199          (6) A legislative body of a county described in Subsection (1) may exempt from an
200     emissions inspection program a diesel-powered motor vehicle with a:
201          (a) gross vehicle weight rating of more than 14,000 pounds; or
202          (b) model year of 1997 or older.
203          (7) The legislative body of a county required under federal law to utilize a motor
204     vehicle emissions inspection program shall require:
205          (a) a computerized emissions inspection for a diesel-powered motor vehicle that has:
206          (i) a model year of 2007 or newer;
207          (ii) a gross vehicle weight rating of 14,000 pounds or less; and
208          (iii) a model year that is five years old or older; and
209          (b) a visual inspection of emissions equipment for a diesel-powered motor vehicle:
210          (i) with a gross vehicle weight rating of 14,000 pounds or less;
211          (ii) that has a model year of 1998 or newer; and
212          (iii) that has a model year that is five years old or older.
213          (8) (a) Subject to Subsection (8)(c), the legislative body of each county required under

214     federal law to utilize a motor vehicle emissions inspection and maintenance program or in
215     which an emissions inspection and maintenance program is necessary to attain or maintain any
216     national ambient air quality standard may require each college or university located in a county
217     subject to this section to require its students and employees who park a motor vehicle not
218     registered in a county subject to this section to provide proof of compliance with an emissions
219     inspection accepted by the county legislative body if the motor vehicle is parked on the college
220     or university campus or property.
221          (b) College or university parking areas that are metered or for which payment is
222     required per use are not subject to the requirements of this Subsection (8).
223          (c) The legislative body of a county shall make the reasons for implementing the
224     provisions of this Subsection (8) part of the record at the time that the county legislative body
225     takes its official action to implement the provisions of this Subsection (8).
226          (9) (a) An emissions inspection station shall issue a certificate of emissions inspection
227     for each motor vehicle that meets the inspection and maintenance program requirements
228     established in [regulations or] Section 41-6a-1626 and in rules or ordinances made under
229     Subsection (3).
230          (b) The frequency of the emissions inspection shall be determined based on the age of
231     the vehicle as determined by model year and shall be required annually subject to the
232     provisions of Subsection (9)(c).
233          (c) (i) To the extent allowed under the current federally approved state implementation
234     plan, in accordance with the federal Clean Air Act, 42 U.S.C. Sec. 7401 et seq., the legislative
235     body of a county identified in Subsection (1) shall only require the emissions inspection every
236     two years for each vehicle.
237          (ii) The provisions of Subsection (9)(c)(i) apply only to a vehicle that is less than six
238     years old on January 1.
239          (iii) For a county required to implement a new vehicle emissions inspection and
240     maintenance program on or after December 1, 2012, under Subsection (1), but for which no
241     current federally approved state implementation plan exists, a vehicle shall be tested at a
242     frequency determined by the county legislative body, in consultation with the Air Quality
243     Board created under Section 19-1-106, that is necessary to comply with federal law or attain or
244     maintain any national ambient air quality standard.

245          (iv) If a county legislative body establishes or changes the frequency of a vehicle
246     emissions inspection and maintenance program under Subsection (9)(c)(iii), the establishment
247     or change shall take effect on January 1 if the State Tax Commission receives notice meeting
248     the requirements of Subsection (9)(c)(v) from the county before October 1.
249          (v) The notice described in Subsection (9)(c)(iv) shall:
250          (A) state that the county will establish or change the frequency of the vehicle emissions
251     inspection and maintenance program under this section;
252          (B) include a copy of the ordinance establishing or changing the frequency; and
253          (C) if the county establishes or changes the frequency under this section, state how
254     frequently the emissions testing will be required.
255          (d) If an emissions inspection is only required every two years for a vehicle under
256     Subsection (9)(c), the inspection shall be required for the vehicle in:
257          (i) odd-numbered years for vehicles with odd-numbered model years; or
258          (ii) in even-numbered years for vehicles with even-numbered model years.
259          (10) (a) Except as provided in Subsections (9)(b), (c), and (d), the emissions inspection
260     required under this section may be made no more than two months before the renewal of
261     registration.
262          (b) (i) If the title of a used motor vehicle is being transferred, the owner may use an
263     emissions inspection certificate issued for the motor vehicle during the previous 11 months to
264     satisfy the requirement under this section.
265          (ii) If the transferor is a licensed and bonded used motor vehicle dealer, the owner may
266     use an emissions inspection certificate issued for the motor vehicle in a licensed and bonded
267     motor vehicle dealer's name during the previous 11 months to satisfy the requirement under
268     this section.
269          (c) If the title of a leased vehicle is being transferred to the lessee of the vehicle, the
270     lessee may use an emissions inspection certificate issued during the previous 11 months to
271     satisfy the requirement under this section.
272          (d) If the motor vehicle is part of a fleet of 101 or more vehicles, the owner may not
273     use an emissions inspection made more than 11 months before the renewal of registration to
274     satisfy the requirement under this section.
275          (e) If the application for renewal of registration is for a six-month registration period

276     under Section 41-1a-215.5, the owner may use an emissions inspection certificate issued during
277     the previous eight months to satisfy the requirement under this section.
278          (11) (a) A county identified in Subsection (1) shall collect information about and
279     monitor the program.
280          (b) A county identified in Subsection (1) shall supply this information to an appropriate
281     legislative committee, as designated by the Legislative Management Committee, at times
282     determined by the designated committee to identify program needs, including funding needs.
283          (12) If approved by the county legislative body, a county that had an established
284     emissions inspection fee as of January 1, 2002, may increase the established fee that an
285     emissions inspection station may charge by $2.50 for each year that is exempted from
286     emissions inspections under Subsection (9)(c) up to a $7.50 increase.
287          (13) (a) Except as provided in Subsection 41-1a-1223(1)(c), a county identified in
288     Subsection (1) may impose a local emissions compliance fee on each motor vehicle registration
289     within the county in accordance with the procedures and requirements of Section 41-1a-1223.
290          (b) A county that imposes a local emissions compliance fee may use revenues
291     generated from the fee for the establishment and enforcement of an emissions inspection and
292     maintenance program in accordance with the requirements of this section.
293          (c) A county that imposes a local emissions compliance fee may use revenues
294     generated from the fee to promote programs to maintain a local, state, or national ambient air
295     quality standard.
296          (14) (a) If a county has reason to believe that a vehicle owner has provided an address
297     as required in Section 41-1a-209 to register or attempt to register a motor vehicle in a county
298     other than the county of the bona fide residence of the owner in order to avoid an emissions
299     inspection required under this section, the county may investigate and gather evidence to
300     determine whether the vehicle owner has used a false address or an address other than the
301     vehicle owner's bona fide residence or place of business.
302          (b) If a county conducts an investigation as described in Subsection (14)(a) and
303     determines that the vehicle owner has used a false or improper address in an effort to avoid an
304     emissions inspection as required in this section, the county may impose a civil penalty of
305     $1,000.
306          Section 3. Effective date.

307          This bill takes effect on January 1, 2024.