(a) 
Vehicle acquisition.
(1) 
Vehicle acquisitions for fleet expansion or replacement of model year 2004 or newer shall be newest model year or engine standard only.
(2) 
Vehicle acquisitions to replace model year 2003 or older vehicles must show at least a 25% reduction in nitrogen oxides (NOx) emissions rate compared to the vehicle being replaced. (Waivers are possible when new technologies or achievements of the required emission reduction are not possible.)
(3) 
Aftermarket technologies and conversions are acceptable for fleet expansion and fleet replacements. Aftermarket technologies and conversions must be Environmental Protection Agency (EPA) and/or CARB verified or certified or technology equivalent or better, as determined by the North Central Texas Council of Governments (NCTCOG) staff. Conversions must comply with the provisions of EPA Memorandum 1A and Addendum Revision (June 25, 1974, and June 1, 1998).
(b) 
Vehicle operation.
(1) 
Vehicle idling is allowed only for safety, emergency response, vehicle maintenance, equipment activity, warm-up/operations in cold temperature, and manufacturer recommended minimum idle/warm-up times.
(2) 
Vehicles with the lowest NOx emissions that are capable of performing the required operational demands shall drive the most miles.
(3) 
The fleet manager shall abide by latest refueling time/season guidance published by NCTCOG air quality planning.
(4) 
Nonemergency vehicles shall drive no more than the posted speed limit and avoid rapid acceleration.
(5) 
All drivers shall be trained on air quality appropriate operational requirements.
(c) 
Maintenance standards.
(1) 
The town shall perform annual emission and safety inspections for all vehicles, even for vehicles with no state-mandated inspection requirement.
(2) 
All vehicles with over 100,000 miles must have emission inspections every 25,000 miles thereafter.
(3) 
The town shall perform manufacturer’s recommended maintenance.
(4) 
The town shall participate in any diesel or other state commission on environmental quality or NCTCOG inspection/maintenance program, including applicable test or pilot programs.
(d) 
Compliance verification.
The town shall provide NCTCOG with an annual update of fleet size and activity in a format established by NCTCOG.
(Ordinance 2006-033, secs. 1–4, adopted 12/5/06)