40 C.F.R. § 1037, app C to Part 1037
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)
-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)
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
40 C.F.R. 1037, app C to Part 1037