Manufacturing

Photo of a school bus parked on a Los Angeles, California, street.

Amid ‘Unprecedented Degree of Uncertainty,’ CARB Proposes Two Pathways for Emissions Regulations

The California Air Resources Board (CARB) proposed an emergency action to continue enforcing engine emissions regulations because it says federal government efforts to undo...
Micro Bird USA’s new 156,000 square-foot manufacturing facility in Plattsburgh, New York, officially opened on Sept. 9, 2025. The state-of-the-art plant doubles Micro Bird’s production capacity and strengthens the company’s ability to serve bus customers across North America. (Image provided by Micro Bird)

Micro Bird Officially Opens U.S. Manufacturing, School Bus Production Already Underway

The new U.S.-based manufacturing of the Micro Bird joint venture between Blue Bird and Girardin Minibus of Quebec is underway, with the plant in...
File photo of a disabled school bus being towed.

Engine, Truck Manufacturers Support EPA Easing Derate of SCR Diesel Emissions Controls

Engine manufacturers using selective catalytic reduction (SCR) emission control technology have new federal guidance allowing them to more gradually “derate” systems when diesel exhaust...

Trump’s EPA Eases Derate Rules, Boosting Bus Passenger Safety

The Environmental Protection Agency on Tuesday announced sweeping changes to rules governing diesel exhaust fluid (DEF) systems, aimed at preventing sudden power losses that...

School Bus Manufacturers Stay the Course Despite Regulatory, Funding Uncertainty

While the immediate future remains uncertain on federal emissions regulations and funding, school bus OEMs say they are prepared with varied solutions going forward...
EPA Administrator Lee Zeldin announces the proposed rulemaking Tuesday, July 29, 2025, to rescind the 2009 Endangerment Finding that has served as the basis for targeting GHG emissions in vehicles.

EPA Proposal Seeks to Eliminate GHG Regulations for Vehicles, Engines

The U.S. Environmental Protection Agency is reconsidering the 16-year-old Obama administration ruling on greenhouse gases that formed the nation’s regulatory landscape for transportation emissions,...

June 2026

Buying a new school bus fuel or energy type is no small decision for student transportation operators. Dive into...

Buyer’s Guide 2026

Find the latest vehicle production data and budget reports, industry trends, and contact information for state, national and federal...

Poll

Do you plan on applying for a Clean School Bus Program grant once the EPA announces a return of funding?
35 votes
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