New Vehicle and Engine Certification: Executive Orders for MY2024 Heavy-Duty GHG Aero Devices

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The New Vehicle and Engine Certification Program is responsible for the certification of new engines, vehicles, powertrains, aerodynamic devices and other new certifications.  Vehicles and engines may be sold and otherwise produced in California only if approved by Executive Order (EO) after review by CARB.  Executive Orders are issued for on-road and off-road categories.

Scanned copies of issued Executive Orders may be requested via email.

The following Executive Orders granted to the listed manufacturers of heavy-duty aerodynamic devices have been issued during the 2024 calendar year, as of June 14, 2024.

Further information is available in the Executive Orders Summary.

For questions, please contact Heavy-Duty Greenhouse Gas Certification or Help Line at 1-800-242-4450.

MICHELIN NORTH AMERICA

EO NumDateYears ValidCategoryTrailer TypesΔCdA
AD‑009‑00042/23/20242024-2026Side Skirt (TATS)LBDV + LBRV0.52

TRANSTEX

EO NumDateYears ValidCategoryTrailer TypesΔCdA
AD‑005‑00221/29/20242024-2026Rear Fairing (TARF)LBDV + LBRV0.32
AD‑005‑00232/12/20242024-2026Rear Fairing (TARF), Underbody Device (TAUD)LBDV + LBRV0.4
AD‑005‑00242/12/20242024-2026Side Skirt, Rear Fairing (TATS, TARF)LBDV + LBRV0.82
AD‑005‑00252/12/20242024-2026Rear Fairing (TARF), Underbody Device (TAUD)LBDV + LBRV0.5
AD‑005‑00261/29/20242024-2026Side Skirt (TATS)LBDV + LBRV0.49
AD‑005‑00272/12/20242024-2026Side Skirt (TATS)LBDV + LBRV0.51
AD‑005‑00281/29/20242024-2026Side Skirt (TATS)SBDV + SBRV0.4
AD‑005‑00291/29/20242024-2026Side Skirt (TATS)LBDV + LBRV0.41
AD‑005‑00301/22/20242024-2026Side Skirt, Rear Fairing, Underbody Device (TATS, TARF, TAUD)LBDV + LBRV1.01
AD‑005‑00312/12/20242024-2026Side Skirt (TATS)LBDV + LBRV0.42
AD‑005‑00321/22/20242024-2026Side Skirt, Rear Fairing, Underbody Device (TATS, TARF, TAUD)LBDV + LBRV0.58