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.
Major changes are coming to renewable fuels policy in the U.S. Here’s a summary of recent proposed regulatory and tax credit changes.
Provisions in the One Big Beautiful Bill related to transportation.
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 round-up of the recently announced engines which will meet the upcoming EPA MY 2027 standards.
Biodiesel and renewable diesel production in the U.S. has slowed down significantly in 2025. Here’s why.
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.