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April 22, 2014

Innovative transit agency helps clear the air in Dallas-Fort Worth

by Pamela Burns - Also by this author

Based on its population of more than 6.5 million people, Dallas-Fort Worth (DFW) is the fourth largest metropolitan area in the country. Based on land area, it’s the second largest. Regional planners are always looking toward alternative modes of transportation to efficiently and effectively move residents to their destinations. This is particularly important considering that 10 counties in the DFW region are rated by the Environmental Protection Agency as nonattainment areas for ground-level ozone.

In operation since 1984, Dallas Area Rapid Transit (DART) covers 700 square miles and serves 13 cities — Addison, Carrollton, Cockrell Hill, Dallas, Farmers Branch, Garland, Glenn Heights, Highland Park, Irving, Plano, Richardson, Rowlett and University Park. Every day, DART moves roughly 400,000 DFW residents to their destinations via 600-plus transit buses and 72 miles of light rail.

DART first introduced 110 liquefied natural gas buses in 1998.

DART first introduced 110 liquefied natural gas buses in 1998.
DART has a long history of successfully implementing alternative fuels. The transit agency first introduced 110 liquefied natural gas (LNG) buses in 1998. As DART expanded, so did its alternative fuel use — the transit agency placed its second LNG bus order later that year. Due to environmental considerations, DART continued to modernize its fleet and retrofitted 360 of its older diesel buses to run on ultra-low sulfur diesel.

DART is currently building four fueling stations to support its growing fleet of CNG buses. The agency anticipates completing its transition in 2015.

DART is currently building four fueling stations to support its growing fleet of CNG buses. The agency anticipates completing its transition in 2015.
In 2013, DART began its transition to compressed natural gas (CNG) with an order of 459 31- and 40-foot buses — one of the nation’s largest CNG bus orders. These new buses, the first of which commenced service on Jan. 28, 2013, cut fuel costs by nearly two-thirds. DART also ordered 123 smaller CNG buses that seat 14 to 17 passengers. The agency is currently building four CNG fueling stations to support these buses. DART anticipates completing its transition in 2015.

These efforts point to DART’s leadership in reducing petroleum use in the region. In 2013, the transit agency reduced its petroleum consumption by more than four million gasoline gallon equivalents and lowered its greenhouse gas emissions by more than 8,500 tons. DART expects these numbers to grow in the future — it has applied for Federal Transit Administration funding for nine all-electric buses. The future is definitely looking cleaner for the Big D. 

In case you missed it...

Read our METRO blog, "50 years of public transit milestones and memories."

Pamela Burns

Communications Supervisor, North Central Texas Council of Governments


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Author Bio

Gary Thomas

President/Executive Director, DART

Gary Thomas is the president/executive director of Dallas Area Rapid Transit, covering a 700-square-mile service area with bus, light rail, commuter rail and paratransit services.


Taylor York

Staff Analyst, Western Riverside Council of Governments

Taylor has worked with the Western Riverside County Clean Cities Coalition since 2011. He also provides staff support for solid waste, energy and transportation programs at the Western Riverside Council of Governments. He holds a B.S. in Urban and Regional Planning from Cal Poly Pomona.


Dave Walsh

Project Manager, Sellen Sustainability

Registered Architect and a Project Manager Walsh, works with agencies, design and construction teams to implement measurable sustainability in transit projects.


Jennifer Turchin

Project Manager, Sellen Sustainability

Turchin is a licensed architect with expertise in all phases of architectural services.


Pamela Burns

Communications Supervisor, North Central Texas Council of Governments

Communications Supervisor, North Central Texas Council of Governments


Matt Stephens-Rich

Clean Cities Ohio

A graduate student at the John Glenn School of Public Affairs at Ohio State University, Matt Stephens-Rich is interning at Clean Fuels Ohio as part of the Clean Cities Workforce Development Program.


Richard Battersby

Director, Fleet Services at UC Davis

Richard Battersby is the director, fleet services, at University of California, Davis. He also serves as coordinator of the East Bay Clean Cities Coalition.


Steve Linnell

Director, Transportation / Energy Planning, Greater Portland Council of Governments

Steve Linnell is Director of Transportation and Energy Planning at the Greater Portland Council of Governments and Coordinator of Maine Clean Communities.


Yliana Flores

Alamo Area Clean Cities Coordinator

Yliana Flores is the Alamo Area Clean Cities coordinator for the Alamo Area Council of Governments Natural Resources Department, where she has worked on transportation issues since 2010.


Colleen Crowninshield

Manager, Tucson Regional Clean Cities Coalition

Colleen Crowninshield has worked for the Pima Association of Governments since 1994, where she has served as coordinator for the Tucson Clean Cities Coalition since 2002.


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