40 CFR Appendix III to Part 1037 - Emission Control Identifiers

Appendix III to Part 1037 - Emission Control Identifiers
Link to an amendment published at 88 FR 4658, Jan. 24, 2023.

This appendix identifies abbreviations for emission control information labels, as required under § 1037.135.

Vehicle Speed Limiters
- VSL - Vehicle speed limiter
- VSLS - “Soft-top” vehicle speed limiter
- VSLE - Expiring vehicle speed limiter
- VSLD - Vehicle speed limiter with both “soft-top” and expiration
Idle Reduction Technology
- IRT5 - Engine shutoff after 5 minutes or less of idling
- IRTE - Expiring engine shutoff
Tires
- LRRA - Low rolling resistance tires (all, including trailers)
- LRRD - Low rolling resistance tires (drive)
- LRRS - Low rolling resistance tires (steer)
Aerodynamic Components
- ATS - Aerodynamic side skirt and/or fuel tank fairing
- ARF - Aerodynamic roof fairing
- ARFR - Adjustable height aerodynamic roof fairing
- TGR - Gap reducing tractor fairing (tractor to trailer gap)
- TGRT - Gap reducing trailer fairing (tractor to trailer gap)
- TATS - Trailer aerodynamic side skirt
- TARF - Trailer aerodynamic rear fairing
- TAUD - Trailer aerodynamic underbody device
Other Components
- ADVH - Vehicle includes advanced hybrid technology components
- ADVO - Vehicle includes other advanced-technology components (i.e., non-hybrid system)
- INV - Vehicle includes innovative (off-cycle) technology components
- ATI - Automatic tire inflation system
- TPMS - Tire pressure monitoring system
- WRTW - Weight-reducing trailer wheels
- WRTC - Weight-reducing trailer upper coupler plate
- WRTS - Weight-reducing trailer axle sub-frames
- WBSW - Wide-base single trailer tires with steel wheel
- WBAW - Wide-base single trailer tires with aluminum wheel
- WBLW - Wide-base single trailer tires with light-weight aluminum alloy wheel
- DWSW - Dual-wide trailer tires with high-strength steel wheel
- DWAW - Dual-wide trailer tires with aluminum wheel
- DWLW - Dual-wide trailer tires with light-weight aluminum alloy wheel
[86 FR 34496, June 29, 2021]