New Vehicle and Engine Certification: Executive Orders for MY1974 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 1974 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‑017‑0004
A‑017‑0005

APOLLO MOTORHOMES

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

							A‑090‑0001

AVCO RECREATIONAL VEHICLES

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

							A‑094‑0001

BENDIX

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

							A‑099

DAIMERCHRYSLER

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

							A‑003‑0004

DAYSTAR

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

							A‑092‑0001
A‑092

DIAMOND REO

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

							A‑032‑0002
A‑032‑0003

ESCAPADE

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

							A‑087‑0001
A‑087

EXECUTIVE INDUSTRIES

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

							A‑057‑0001
A‑057‑0002

EXPLORER MOTOR HOMES

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

							A‑054‑0001
A‑054‑0002

FCA US LLC.

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

							A‑009‑0010

FLEETWOOD

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

							A‑043‑0006
A‑043‑0007
A‑043‑0008
A‑043‑0009
A‑043‑0010
A‑043‑0011
A‑043‑0012

FMC CORPORATION

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

							A‑053‑0001
A‑053‑0002
A‑079‑0001
A‑079‑0002

FORD MOTOR COMPANY

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

							A‑010‑0021‑b
A‑010‑0030
A‑010‑0030‑a

FREIGHTLINER

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

							A‑033‑0001

GENERAL MOTORS

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

							A‑006‑0011
A‑006‑0019
A‑006‑0019‑a

GILLIG

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

							A‑063‑0002
A‑063‑0003

GOLDENWEST

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

							A‑088

GROVE MANUFACTURING

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

							A‑076‑0001

HIGHWAY PRODUCTS

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

							A‑100

MAJESTIC

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

							A‑109

NAVISTAR, INC.

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

							A‑004‑0015‑a
A‑004‑0016
A‑004‑0018

OPEN ROAD

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

							A‑055‑0001
A‑055‑0002
A‑055‑0003

OSHKOSH

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

							A‑082‑0002
A‑082‑0003
A‑082‑0004

PETERBILT

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

							A‑038‑0002
A‑038‑0003
A‑038‑0004

REVCON

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

							A‑047‑0001
A‑047‑0002

R O PRODUCTS INC.

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

							A‑062‑0001
A‑062‑0002
A‑062‑0003

SHELLER GLOBE

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

							A‑091‑0001

SPORTS COACH

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

							A‑056‑0001
A‑056‑0002

SUPER COACH

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

							A‑085‑0001
A‑085

TEMTEX

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

							A‑089‑0001
A‑089

TRAVOY

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

							A‑095‑0001
A‑095

VOGUE COACH

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

							A‑077‑0002
A‑077‑0003

WHITE MOTOR CORPORATION

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

							A‑042‑0003
A‑042‑0004

WINNEBAGO INDUSTRIES, INC.

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

							A‑061‑0001
A‑061‑0002

California Air Resources Board