U.S. Department of Energy Energy Efficiency and Renewable Energy
blog header image

Filling Up a CNG Vehicle Tank

A graphic of a cylindrical purple tank with red dots inside to represent natural gas in a CNG vehicle tank.

See how variables such as temperature and fill rate affect how a CNG vehicle's tank fills with gas.

[More]

September 11, 2014


AFDC Enhancement Makes Finding Applicable Laws and Incentives Easier

A graphic of the map of the United States with the state identified by two capital letters. When you click a state on the map, you're taken to a list of incentives, laws, and regulations for that state.

Updated AFDC search capabilities make it easy to find laws and incentives applicable to you, your program, and your stakeholders.

[More]

July 14, 2014


VICE Model 2.0 Released

Photo of a compressed natural gas vehicle

Clean Cities launches improved tool to help fleets evaluate CNG investments

[More]

January 27, 2014


Find Your Next Vehicle

Photo of an alternative fuel vehicle

Clean Cities Top 20 Facts


#19 Tool makes it easy to explore and compare alternative fuel options

[More]

December 2, 2013


AFLEET Tool: Know a Vehicle's Impact Before You Buy

Photo of a vehicle fleet

Clean Cities Top 20 Facts


#18 New tool helps fleets evaluate alternative fuels and advanced vehicles

[More]

November 15, 2013


Alternative Fueling Stations in the Palm of Your Hand

Photo of an iPhone

Clean Cities Top 20 Facts


#17 New iPhone app helps drivers find stations

[More]

November 8, 2013