Bollinger Motors B4 receives vital CARB certification

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Updated Aug 3, 2026
Bollinger B4 chassis cabs parked
The Bollinger B4 battery-electric, class 4 chassis cab has officially received CARB certification, a requirement to begin sales in 14 CARB-compliant states and the District of Columbia.
Bollinger Motors

Bollinger Motors has announced yet another significant milestone. The Michigan-based manufacturer's class 4, all-electric B4 Chassis Cab has received certification from the California Air Resources Board (CARB), a necessary requirement in order to sell vehicles in CARB-compliant states.

Aside from California, these states includes: Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and the District of Columbia. CARB compliant states require additional approvals beyond what the Environmental Protection Agency (EPA) has already set.

This certification is vital for Bollinger because it allows customers to qualify for more state-level incentives, specifically California's HVIP project. Combined with the already announced $40,000 IRS rebate at the federal level, customers can get a rebate up to $100,000 in combined savings thanks to HVIP's $60,000 rebate. 

“The CARB certification represents an important milestone in our mission to bring a world-class electric vehicle to market,” said Bollinger Motors President and Chief Operating Officer Bryan Chambers. “Environmental requirements are critical to meeting customer expectations and providing sale-ready vehicles. With this important accomplishment, the B4 is one step closer to electrifying vehicle fleets from coast-to-coast.”

Bollinger also reconfirmed that B4 series production will commence on September 16, 2024 in Livonia, Michigan. Customer deliveries will kick off in October. 

[Related: A quick spin in Bollinger's B4 class 4 battery-electric chassis cab]

Bollinger has had a busy 2024. It previously announced full warranty coverage for the B4, Certificate of Conformity from the Environmental Protection Agency (EPA), and 50-, 70- and 80-vehicle unit sales to EnviroCharge, Doering Fleet Management and Momentum Group, respectively.

Several service centers and dealers have also been confirmed, including Nacarato Truck Sales, Nuss Truck & Equipment, and LaFontaine Automotive Group.

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The B4 was designed and built from the ground-up with input from major fleets and upfitters. It was designed and engineered to be a pure battery-electric vehicle from the get-go, instead of being heavily modified from an existing ICE vehicle platform. It can easily be customized by fleets to meet their requirements. Another unique feature is its unobstructed frame rails which allow for easy mounting and uplift adaption. The chassis was designed and engineered to protect the 800V battery pack and other key components.

Jay Traugott has covered the automotive and transportation sector for over a decade and now serves as Senior Editor for Clean Trucking. He holds a drifting license and has driven on some of the world's best race tracks, including the Nurburgring and Spa. He lives near Denver, Colorado and spends his free time snowboarding and backcountry hiking. He can be reached at [email protected].

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