Technical Assistance

The Clean Cities Coalition Network connects transportation stakeholders with objective information and experts to assist with alternative fuels, fuel economy improvements, and emerging transportation technologies.

Clean Cities Coalitions

Through these trusted, time-tested resources, Clean Cities coalitions have helped fleets and fuel providers deploy hundreds of thousands of alternative fuel vehicles and fueling stations that serve a growing market. Clean Cities coalitions continue to support the entry of new transportation technologies into the marketplace.

Find Data & Information

Use Clean Cities' comprehensive, data-driven collection of information.

Alternative Fuels Data Center

Get the facts about alternative fuels and vehicles:

Use the official U.S. government source for fuel economy information to find and compare vehicles, calculate your own fuel economy, and get tips to cut fuel costs.

Ask a Question

The Technical Response Service representatives are seasoned experts who will help you find answers to technical questions about alternative fuels, fuel economy improvements, idle-reduction measures, advanced vehicles, and Clean Cities and related resources.

Email: Technical Response Service

Call: 800-254-6735

Technical Response Service

Get Help on the Ground

Access Clean Cities experts and expertise.

Technical Assistance from National Labs

Tiger Teams assist coalitions, fleets, stakeholders, original equipment manufacturers, and fuel providers to overcome obstacles to deploying alternative fuels and advanced vehicles and make informed choices to reduce fuel use.


The Natural Gas Vehicle Technology Forum provides insight into advanced natural gas vehicle technologies. The forum informs research and development for vehicles and technology, regulations, market barriers, and opportunities.

Educate with Toolkits

Clean Cities coalitions provide specialized toolkits to help educate and engage policymakers, fleet managers, drivers, and other decision makers using print products, templates, and presentations.


Provides outreach materials and templates for idle reduction projects.

Workplace Charging Toolkit

Provides outreach materials and templates for electric vehicle infrastructure projects.

Flipping the Switch on Electric School Buses

Provides educational resources for school districts implementing electric school buses.