Massachusetts Zero Emission Vehicle (ZEV) Credits

MassDEP requires large and intermediate volume vehicle manufacturers to deliver and place in service within the state a certain percentage of zero emission vehicles (ZEVs) - including battery electric, fuel cell, and plug-in hybrid vehicles.

This page provides current and historical information on ZEV credits earned by large and intermediate volume manufacturers in Massachusetts. A PDF version of this page, providing data on the current compliance year, is available for download from Historical Information below.

Table of Contents

Affected Manufacturers

The following vehicle manufacturers were subject to Massachusetts ZEV requirements for compliance year 2023.

Manufacturer Volume Status
LargeIntermediate
BMWJaguar Land Rover
Fiat ChryslerMazda
FordMitsubishi
GMSubaru Corporation
HondaTesla
HyundaiVolvo
KIA 
Mercedes-Benz AG 
Nissan 
Toyota 
Volkswagen 

Massachusetts Vehicle Sales

A vehicle manufacturer’s ZEV requirement is based on a percentage of all passenger vehicles and light-duty trucks (LDTs) weighing up to 8,500 pounds that it delivers for sale in the state.

2023 Large & Intermediate Volume Manufacturer Vehicles Delivered for Sale in Massachusetts
ManufacturerLight-Duty Passenger
Cars & Trucks
BMW8,194
Fiat Chrysler25,327
Ford24,485
GM31,466
Honda25,425
Hyundai21,394
Jaguar Land Rover3,013
Kia16,807
Mazda9,838
Mercedes-Benz AG6,141
Mitsubishi2,011
Nissan21,563
Subaru Corporation17,875
Tesla15,104
Toyota48,582
Volkswagen16,920
Volvo4,661
TOTAL298,806

ZEV Credit Balances

Vehicle manufacturers subject to the ZEV requirements earn varying ZEV credits depending on the numbers and types of vehicles they deliver and place in service within Massachusetts. Companies not subject to the requirements may also earn credits. ZEV credit balances earned by all parties since the start of the Massachusetts ZEV program through October 17, 2024, are presented here.
See the note and legend of acronyms below.*

ManufacturerFCVBEVBEVxNEV+DISCOUNT AT PZEV & PZEVTZEV
BMW0.003,929.491,696.150.000.00401.93
BYD Motors Inc.0.000.000.000.000.000.00
FARADAY&FUTURE INC0.000.000.000.000.000.00
Fiat Chrysler0.0012,582.200.0012,572.670.00752.39
FISKER0.000.000.000.000.000.00
Ford0.0017,891.360.002.430.003.21
GM0.0016,503.860.000.000.000.00
Honda1,634.480.000.0048.130.002.42
Hyundai0.009,835.870.000.000.000.00
Jaguar Land Rover0.000.000.000.000.000.00
KIA0.004,955.910.000.000.0051.64
Lightning Systems0.000.000.000.000.000.00
LUCID0.00220.000.000.000.000.00
Mazda0.006,330.640.000.000.000.00
Mercedes-Benz AG0.001,964.860.000.000.002,978.95
MILES0.000.000.000.000.000.00
Mitsubishi0.001,022.020.000.000.00220.16
Nissan0.00701.340.000.000.000.00
Polaris0.000.000.000.000.000.00
RIVIAN0.004,168.240.000.000.000.00
Subaru Corporation0.0022,925.940.000.000.000.00
Tesla0.00127,460.930.000.000.000.00
Toyota0.0018,170.860.002,615.950.006,672.55
VANTAGE0.000.000.000.000.000.00
Volkswagen0.0012,979.970.000.000.00114.80
Volvo0.005,797.330.000.0055.080.00
ZENITH0.000.000.000.000.000.00
Zipcar0.000.000.000.000.000.00

Description of Credit Balances:

*Each unit represents one ZEV credit. Before 2015, credits were expressed in grams per mile non-methane organic gas (NMOG).

Legend of Acronyms
FCV = Fuel cell vehicle
BEV = Battery electric vehicle 
BEVx = Range extended battery electric vehicle
NEV = Neighborhood Electric Vehicle
Discount AT PZEV & PZEV = Conversion of Advanced Technology Partial Zero Emission Vehicle (clean hybrids) and Partial Zero Emission Vehicle (clean gasoline) per California Code of Regulations, Title 17, Section 1962.1(g)(2)(f)
TZEV = Transitional Zero Emission Vehicle (plug-in hybrid)

Transfers of ZEV Credits

Manufacturers subject to the ZEV requirement and other companies that earn ZEV credits may transfer them among each other and to third parties. The following transfers were recorded in Massachusetts from October 1, 2023, to August 31, 2024.

TransferorVehicle TypeTotal Credits
LUCIDBEV844.00
RIVIANBEV2,668.55
TeslaBEV4,761.00
 Total8,273.55
TransfereeVehicle TypeTotal Credits
MazdaBEV7,761.55
MitsubishiBEV512.00
 Total8,273.55

Historical Information

Follow the links below for manufacturer, vehicle sale, ZEV Credit balance and transfer information for Massachusetts from previous years.

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