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.
In case you thought OEMs have stopped investing in internal combustion engines, here’s a summary of the latest from Stellantis’ impressive Hurricane 4 Turbo engine.
“[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.
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.
In light of the Trump administrations executive orders limiting EV mandates and incentives, hybrids might offer a pathway for continued fuel economy improvements. This post summarizes the key findings on their CO2 reduction potential.