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.
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.
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.
From Brandon Bartneck – “I’ve spent the past four years chasing down the answer to the following question…
How do we make mobility better?
It’s meaningful. Probably the most impactful challenge that I’ve tried to help solve. But it’s far from straightforward.”
The journey of the IC engine can be summed up in two words: continuous improvement. Decades of engine research coupled with the relatively recent advent of renewable fuels is accelerating the gains in emissions abatement. Check out this webinar to learn more.
Truck manufacturers are offering improved versions that meet California’s MY 2024 Low NOx standards. Here’s a comparison of the underlying after-treatment technologies.