Mountain Cascade, Inc. Settlement
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Mountain Cascade, Inc. Settles For $93,500
In October 2025, the California Air Resouces Board (CARB) reached a settlement agreement with Mountain Cascade, Inc., with its principal location in Livermore, California for the company’s violation of CARB’s Regulation to Reduce Emissions of Diesel Particulate Matter, Oxides of Nitrogen and Other Criteria Pollutants, from In‑Use Heavy‑Duty Diesel‑Fueled Vehicles (Truck and Bus Regulation), under California Code of Regulations, title 13, section 2025; the Heavy‑Duty Diesel Smoke Emission Testing, and Heavy‑Duty Vehicle Emission Control Inspections Regulation (HDVIP Regulation), as codified in the California Code of Regulations, title 13, section 2183; and the Periodic Smoke Inspections of Heavy‑Duty Diesel‑Powered Vehicles Regulation (PSIP Regulation), as codified in the California Code of Regulations, title 13, sections 2190 et seq.
In response to a complaint, CARB audited and documented fleet compliance violations in 2020 and 2021 as they related to the Truck and Bus Regulation, the Heavy-Duty Vehicle Inspection Program, and the Periodic Smoke Inspection Program.
The full settlement amount of $93,500 will be deposited into CARB’s Air Pollution Control Fund, which provides funding for projects and research to improve California's air quality. Terms of the settlement include a requirement that Mountain Cascade, Inc. correct all violations and comply with all CARB regulations going forward. Mountain Cascade, Inc. fully cooperated with CARB to resolve this matter.