Austin, Dallas, Fort Worth, Houston and San Antonio - five of the 20 largest cities in the U.S. - compose a rapidly growing mega-region named the Texas Triangle. Connected by a triangle of interstate freeways: I-45, I-10 and I-35, at least 10 percent of the U.S. transportation sector travels through the Texas Triangle each year.
On July 15, 2011, Texas Governor Rick Perry signed into law Senate Bill 20, a first-of-its-kind legislation created to help create a sustainable network of natural gas-refueling stations along the Texas Triangle. The bill lays a foundation for wider-scale deployment of heavy-duty, mid- and light-duty natural gas vehicles (NGVs) in the Texas market, making the transition to a lower cost, domestically produced, and cleaner fuel a more viable option for Texas businesses, cities and consumers.
An unprecedented consortium of more than 200 stakeholders was engaged in the strategic plan, including fleet operators such as United Parcel Service and business groups such as the Houston NGV Alliance and the Metroplex NGV Consortium. They were joined by utilities, fuel suppliers such as Clean Energy Fuels Corp., natural gas producers, and universities.

The TCTT will provide an important economic stimulus for Texas and Texas businesses:
Heavy-duty diesel trucks are one of the most significant contributors to urban air-quality problems, including smog. Replacing diesel trucks with clean burning low-emission natural gas trucks offers one of the best potential strategies for Texas communities to improve air quality and meet air quality standards.
The emission benefits that will result from the implementation of the TCTT is the equivalent of taking more than 175,000 cars off of Texas highways in the state's most populated areas.