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AZ |
AZ ST § 11-876 |
Heavy duty diesel vehciles >14,000 lbs. |
5 minutes |
• Emergency vehicles • Traffic conditions • Need for driver to sleep in vehicle • Necessary for equipment (refrigeration) |
Not in SIP |
|
CA |
CA HLTH & S § 40720 |
Marine terminals or ports processing 100,000+ containers/year |
30 minutes |
• Acts of God • Strikes • State/Federal emergencies • Unavoidable/unforseeable event |
Not in SIP |
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CO (Denver) |
Denver Municipal Code Sec. 4-43 |
Any motor vehicle |
10 minutes in any one hour |
• Ambient temperature <20o F for previous 24 hours • Ambient temperature <10o F • Emergency vehicles • Traffic conditions • Vehicle is being repaired/serviced • Take-off power for auxiliary uses • Vehicles engaged in traffic operations |
Not in SIP |
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CT |
Sec. 22a-174-18(a)(5) |
Mobile source engine |
3 consecutive minutes |
• Traffic conditions • Mechanical difficulties • Heating/cooling when necessary • Bring engine to OEM recommended operating temperature • Ambient temperature <20o F • Vehicle is being repaired/serviced • Aircraft, locomotives, marine vessels, lawnmowers, snow blowers, and small home appliances |
In SIP |
|
CT |
Non regulatory school bus policy |
School buses |
Shut off engine immediately unless leaving within 3 minutes; AM start-up idling
restricted to time recommended to reach engine operating temperature or defrost
windows |
• To operate safety equipment • To maintain safe temperature for children with
special needs • Ambient temperature <20o F |
Not in SIP |
|
HI |
§ 11-60.1-34 |
All motor vehicles |
No specified time |
• Vehicle is being repaired/serviced • Necessary for auxiliary equipment built
onto vehicle • Loading/unloading passengers - not to exceed 3 minutes • Build
up op pressure/cooling down of engine - not to exceed 3 minutes |
Not in SIP |
|
MD |
§ 22-402 |
Motor vehicles |
5 minutes |
• Traffic conditions • Mechanical difficulties • Necessary for auxiliary equipment
installed on vehicle • To bring vehicle up to OEM’s recommended engine operating
temperature |
In SIP |
|
DC |
Title 20, Reg 900.1 |
Diesel/gasoline vehicles |
3 minutes |
• Necessary for auxiliary equipment installed on vehicle • To operate AC for
15 minutes on bus with 12 or more people • To operate heating equipment when temperature
is <32o F |
Not in SIP |
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MA |
Chapter 90, Sec. 16A |
Motor vehicles |
5 minutes |
• Vehicle is being repaired /serviced • Delivery vehicles in which engine power
is necessary • Vehicles in operation for which associate power need is required
|
In SIP |
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MN |
§ 123B.885 |
Diesel school buses |
N/A (must minimize to |
None |
Not in SIP |
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extent practical the idling of | |
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school bus engines) | |
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MN (St. |
Section 706 |
Motor vehicles |
5 minutes |
N/A |
Not in SIP |
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Cloud) | |
(within specified 2 | |
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block area of city) | |
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MO (St. Louis) |
Ordinance 64749D |
Motor vehicles |
10 minutes |
• Emergency vehicles |
Not in SIP |
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MT (Lewis |
Rule 3.101 |
Diesel or locomotive |
2 hours in any 12 hour |
• When a Board of Health variance is |
Not in SIP |
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& Clark | |
engine operating |
period |
granted | |
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county) | |
when health | |
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department declares | |
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air quality is poor | |
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NV |
NAC 445B.576 |
Diesel truck or bus |
15 minutes |
• When a variance is issued |
Not in SIP |
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• Emergency vehicles • Removal of snow | |
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• Used to repair or maintain other vehicles | |
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• Traffic conditions | |
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• During repair/maintenance • Emission is treated and contained by method approved
by commission • Engine must idle to perform a specific task (e.g., drilling) | |
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NH |
Env-A 1101.05 |
Diesel/gasoline vehicle |
5 minutes >32o F 15 minutes >-10o F & <32o F No limit <-10o F and no nuisance created |
• Traffic conditions • Emergency vehicles • Takeoff power for auxiliary uses
• Vehicle is being repaired/serviced • Operated solely to defrost windshield |
Not in SIP |
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PA (Philad.) |
Reg. IX |
Heavy duty diesel vehicles >8,500 lbs, or passenger carrying capacity >12
|
2 minutes 0 minutes for layovers 5 minutes <32o F 20 minutes <20o F 20 minutes for buses with AC and non-openable windows and >75o F |
None |
Not in SIP |
|
TX (Houston/ Galveston) |
Sec 114.500-114.509 |
Diesel/gasoline motor vehicles GVWR >14,000 lbs |
5 minutes April 1 - Oct 31 30 minutes for heat/AC for transit and school buses
|
• Traffic conditions • Vehicle is being repaired/serviced • Solely to defrost
windshield • Power source necessary for mechanical operation other than propulsion
• Airport ground service equipment • Emergency vehicles • Owner of vehicle rented
or leased to another who is not employed by the owner |
In SIP |
|
UT (Salt Lake City) |
Health Dept. Reg. #28.6.8 |
Diesel vehicles |
15 minutes |
• Supply power to a refrigeration unit • Supply heat/AC to sleeper cab • Emergency
vehicles |
Not in SIP |
|
VA |
§ 46.2-1224.1, 9 VAC 5-40-5670B&C |
Buses when unattended, parked, or stopped |
10 minutes |
• Traffic conditions • Vehicle is being repaired/serviced • School buses • Public
transit buses |
In SIP |