Texas Commission on Environmental Quality (TCEQ)
Texas Department of Public Safety (DPS)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. There are many mobile source regulatory requirements implemented nationally by the U.S. Environmental Protection Agency (EPA) that impact mobile sources in Texas.
Also, the state and local air pollution control agencies have established additional programs to implement optional federal programs and other requirements to control mobile source emissions and make progress ...