EPA Demands Manufacturer Data as It Expands Action on DEF System Failures
February 15, 2026
A brief summary of recent EPA changes to DEF-related failures.
A brief summary of recent EPA changes to DEF-related failures.
“[Converting to this fuel] was one of the single-best decisions we as an organization have made”. Guess the fuel ? Probably not what you typically think of for on-road mobility..
A summary of the “COMVEC 2025” conference held in Schaumburg.
The U.S. EPA has proposed to revoke its 2009 GHG Endangerment Finding, which underpins the regulation of tailpipe (GHG) emissions from cars and trucks.
A new in-use emissions study on heavy-duty vehicles shows that both conventional diesel and alternative fuel vehicles certified to the 0.02 g/bhp-h standard can meet future EPA NOx limits even in day-to-day operation.
A summary of the “SAE WCX 2025” conference held in Detroit.
A summary of the SAE 2025 OBD Conference held in Porto, Portugal, provided by MAHLE Powertrain.
A summary of the “Hydrogen for Sustainable Mobility Forum” conference held in Turin.
A round-up of the recently announced engines which will meet the upcoming EPA MY 2027 standards.
President Trump’s Day One Executive Order and the Implications for Transport Emissions