TxVEMP Freight Class 4 truck TxVEMP Freight Class 4 truck https://www.tceq.texas.gov/downloads/air-quality/terp/txvemp/freight/txvemp-freight-grant-table-class-4-truck.pdf/view https://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png TxVEMP Freight Class 4 truck TxVEMP Freight Class 4 truck txvemp-freight-grant-table-class-4-truck.pdf — 129.0 KB