This is an anonymous formal complaint to the National Highway Traffic Safety Administration (NHTSA) under 49 U.S.C. Chapter 301 (National Traffic and Motor Vehicle Safety Act), FMVSS, and related federal regulations on vehicle safety, defects, and emissions performance. Facilities on Cabazon Band of Cahuilla Indians Reservation land in Mecca, CA: 1. Desert View Power Plant (Desert View Power, LLC / Greenleaf Power) - Idled since April 2024; Title V permit expired Sept. 30, 2025. - Vehicles: Heavy-duty diesel trucks (third-party/contractor-owned) deliver biomass fuel (~360,000â390,000 tons/year pre-idling; dozensâ100+ daily trips on Hwy 86/access roads). Contractor/supply trucks and employee personal vehicles. No company fleet. - Issues: Diesel exhaust (PM2.5, black carbon, NOx, CO, VOCs, toxics); fugitive PM10/PM2.5 dust from unpaved roads; potential excess smoke/opacity; traffic/safety risks. 2. Western Environmental, Inc. & Waste Reduction Technologies - Inactive for hazardous waste since 2014. - Vehicles: Historical heavy-duty diesel trucks (third-party) transported wastes/soils (thousands of shipments pre-2014); occasional service/employee vehicles. - Issues: Diesel exhaust (PM2.5, NOx, CO, hydrocarbons); fugitive dust; potential volatile releases; excess smoke risks. Requested Actions (at NHTSAâs discretion, in coordination with EPA/CARB/SCAQMD): - Immediate unannounced inspection/audit by NHTSA inspector at facilities/access rout