New Vehicle and Engine Certification: Executive Orders for MY1973 Medium-Duty and Heavy-Duty Vehicles

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 on-road medium-duty and heavy-duty vehicles have been issued during the 1973 model year, as of September 12, 2023.

Further information is available in the Executive Orders Summary.

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

AMERICAN MOTORS CORPORATION

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑017‑0002

AMIGO INDUSTRIES, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑067

BEAVER COACHES, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑081‑0001

BLUE BIRD BODY COMPANY

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑050‑0001
A‑050‑0002

CHINOOK

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑075‑0001
A‑075

DIGIORGIO LEISURE

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑072‑0001

ELDORADO INDUSTRIES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑080‑0001

EXECUTIVE INDUSTRIES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑057

EXPLORER MOTOR HOMES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑054

FCA US LLC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑009‑0003
A‑009‑0004
A‑009‑0005
A‑009‑0007
A‑009‑0008
A‑009‑0009
A‑009‑0013

FLEETWOOD

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑043‑0001
A‑043‑0002
A‑043‑0003
A‑043‑0004
A‑043‑0005
A‑043

FMC CORPORATION

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑053
A‑079

FORD MOTOR COMPANY

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑010‑0001
A‑010‑0015
A‑010‑0016

GENERAL MOTORS

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑006‑0003
A‑006‑0005
A‑006‑0006

GILLIG

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑063‑0001

KOMFORT

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑084‑0001
A‑084

LAZY DAZE

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑074‑0001
A‑074

MACK TRUCKS, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑027‑0002

MCPHEETERS

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑066‑0001
A‑066

MINIBUS

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑069

NAVISTAR, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑004‑0003
A‑004‑0009

OPEN ROAD

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑055

OVERLAND

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑065‑0001
A‑065

PACE SETTER

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑046

PERRIS VALLEY

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑083‑0001
A‑083

PETERBILT

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑038‑0005

PRF INDUSTRIES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑064‑0001
A‑064

RECREATION AND SPORTS

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑051‑0001
A‑051

REDMAN

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑070‑0001
A‑070‑0002
A‑070‑0003
A‑070‑0004
A‑070‑0005
A‑070

REVCON

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑047

RV INDUSTRIES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑058

R O PRODUCTS INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑062

SHASTA

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑060

SPORTS COACH

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑056

SUNDIAL

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑071‑0001
A‑071

TRAVETTE

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑073‑0001
A‑073

UTOPIAN

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑068

VOGUE COACH

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑077‑0001
A‑077

WANDER HOMES

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑059

WHITE MOTOR CORPORATION

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑042‑0002

WINNEBAGO INDUSTRIES, INC.

EO #	Date	Engine Family	Fuel System	Fuels	Weight Class	Evaporative Families

							A‑061