Daniel Alvarez | Ridgeline Center for Law and Policy

Amicus Brief of Law Scholars in Daimler v. CARB

by ridgelinecenter | Jun 9, 2026

This brief, filed in the U.S. District Court for the Eastern District of California on behalf of administrative and constitutional law scholars as amici curiae, explains why EPA’s decisions on California’s applications for waivers of preemption under Clean...

Amicus Brief of Law Scholars in California v. U.S.

by ridgelinecenter | Jan 16, 2026

This brief, filed in the U.S. District Court for the Northern District of California on behalf of administrative and constitutional law scholars as amici curiae, explains why EPA’s decisions on California’s applications for waivers of preemption under...

Comments on EPA Disapproval of California SIP Inclusion of Clean Truck Check

by ridgelinecenter | Sep 25, 2025

Comments submitted to EPA on behalf of CAELP, NRDC, and EDF opposing the agency’s proposed disapproval of California’s state plan submission including its heavy duty inspection/maintenance regulation (“Clean Truck Check”). Comments argue that...

Clearing the Air on Supplemental Environmental Projects

by ridgelinecenter | May 1, 2024

Supplemental environmental projects (SEPs) have received a growing amount of attention in recent years, from the Trump Administration banning their use in settlements, to regulation and guidance from the Biden Administration reversing the ban, to legislative proposals...