Skip to main content

Emissions

May 2026

Draft EU Regulation on the Collection of Real World CO2 Emissions Data from Heavy Duty Vehicles Published

Within the EU Regulation which specifies the heavy duty vehicle CO2 emissions performance reduction targets that heavy duty vehicle manufacturers must comply with, (EU) 2019/1242, there is a provision in Article 12 of that Regulation which requires the European Commission to regularly collect data on the real world CO2 emissions and energy consumption of heavy duty vehicles in service to monitor and assess the real world representativeness of the values determined in accordance with (EU) 2017/2400.  To fully implement this provision, on April 20, 2026, the European Commission published a draft EU Regulation for public comment, which specifies the detailed procedure for the collection of this real world CO2 emissions and energy consumption data.

Sep 2025

The Environmental Protection Agency (EPA) Issue Proposal to Repeal 2009 Endangerment Findings and Greenhouse Gas Vehicle Standards

The Environmental Protection Agency (EPA) announced in the Federal Register on August 1, 2025, a proposal to repeal the Section 209 Endangerment Findings and the Greenhouse Gas (GHG) Emission Standards for light, medium, and heavy-duty vehicles and engines. According to the EPA, this proposal reflects the most accurate interpretation of the Clean Air Act (CAA), falls within the Agency’s legal authority, aligns with its scientific research and addresses global climate change alongside the associated risks to public health and welfare. Public comments must be submitted by September 15, 2025.

May 2025

Draft Euro 7 Emissions Implementing Regulations Published

Following the publication of Regulation (EU) 2024/1257, which specifies the Euro 7 emissions requirements, the European Commission began drafting the numerous Implementing Regulations required to provide the detailed test procedures, testing methodologies, administrative procedures, etc. to allow the new Euro 7 emissions requirements to be fully implemented. On April 15, 2025, draft versions of the first two of these 'Euro 7' Implementing Regulations were published by the European Commission for public comment. The first of these draft Implementing Regulations specifies the rules, procedures and testing methodologies for the exhaust and evaporative emissions type approval of M1 and N1 category vehicles. The second draft Implementing Regulation specifies the detailed requirements for the onboard fuel consumption measuring (OBFCM) devices, onboard monitoring (OBM) systems, driver warning systems, inducement methods and environmental vehicle passports (EVP) of M1 and N1 category vehicles.