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 2020.

Manufacturer Volume Status

Large Intermediate
BMW Jaguar Land Rover
Daimler AG Mazda
Fiat Chrysler Subaru
Ford Volvo
General Motors  
Honda  
Hyundai  
Kia  
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.

2020 Large & Intermediate Volume Manufacturer Vehicles Delivered for Sale in Massachusetts

Manufacturer Light-Duty Passenger
Cars & Trucks
BMW 7,981
Daimler AG 6,979
Fiat Chrysler 32,006
Ford 23,493
General Motors 28,471
Honda 37,020
Hyundai 14,133
Jaguar Land Rover 3,724
Kia 1,801
Mazda 6,569
Nissan 15,321
Subaru 20,146
Toyota 45,885
Volkswagen 12,088
Volvo 4,345
Total 259,962

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 August 31, 2021, are presented here.
See the note and legend of acronyms below.*

Manufacturer FCV BEV BEVx NEV+ DISCOUNT AT PZEV & PZEV TZEV

BMW

0.00

1,505.24

3,660.32

0.00

0.00

0.00

Fiat Chrysler

0.00

24,925.00

0.00

13,805.78

0.00

0.00

Ford

0.00

15,315.85

0.00

971.74

378.04

302.96

General Motors

0.00

28,782.36

0.00

7,761.46

0.00

3,337.28

Honda

2,325.74

5,781.73

0.00

265.93

0.00

0.00

Hyundai

668.37

1,320.66

0.00

0.00

306.76

94.17

Jaguar Land Rover

0.00

567.62

0.00

0.00

0.00

12.76

KIA

0.00

2,627.51

0.00

0.00

169.79

42.70

Lightning Systems

0.00

0.00

0.00

0.00

0.00

0.00

Mazda

0.00

516.88

0.00

0.00

0.00

0.00

Mercedes-Benz AG

0.00

1,781.02

0.00

0.00

0.00

3,280.89

Mitsubishi

0.00

510.69

0.00

0.00

331.01

254.40

Nissan

0.00

8,999.77

0.00

0.00

(0.01)

0.00

Polaris

0.00

0.00

0.00

0.00

0.00

0.00

Subaru

0.00

30,338.49

0.00

0.00

1,080.28

160.17

Tesla

0.00

28,657.41

0.00

0.00

0.00

0.00

Toyota

0.00

27,700.83

0.00

4,636.67

1,089.55

1,857.40

Volkswagen

0.00

7,365.89

0.00

0.00

(0.01)

75.60

Volvo

0.00

0.00

0.00

0.00

405.65

219.85

Zipcar

0.00

0.00

0.00

0.00

60.36

0.00

Total

2,994.11

186,696.94

3,660.32

27,441.58

3,821.42

9,638.18

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, 2020, to August 31, 2021.

Transferor Vehicle Type Total Credits
Tesla BEV 2,971.00
  Total 2,971.00
Transferee Vehicle Type Total Credits
Honda BEV 2,488.00
Mitsubishi BEV    483.00
  Total 2,971.00

Historical Information

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

Additional Resources

Contact   for Massachusetts Zero Emission Vehicle (ZEV) Credits

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