U.S. Department of Energy Energy Efficiency and Renewable Energy
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Alt Fuels are Taxed the Same? Think Again!

A photo of sign advertising the availability of various alternative fuels.

Learn how highway excise taxes based on volume, not energy content, result in significant inequity among fuels.


September 22, 2015

As Returns from Gas and Diesel Taxes Decline, States Look to Alternative Models

Photo of a one-hundred dollar bill sticking out of a fuel receptacle on a red car.

Read about how states are trying new methods to make up for shortfalls in traditional motor fuel taxes.


August 12, 2015

Clean Cities and NPS Team Up to Promote Sustainable Transportation

A photo of two brown and white shuttle buses in front of large redwood trees.

Campaign encourages practicing green transportation strategies as one of the easiest ways to reduce greenhouse gas emissions.


August 6, 2015

EPA Proposes New Volume Requirements for Renewable Fuel Standard

Photo of a person's hand using a green fuel nozzle to fill their car with biofuel.

See what the agency is planning for biofuel volume requirements in 2014, 2015, and 2016.


June 11, 2015

Alternative Fueling Station Locator Cruises Past 20,000

Screenshot of the Alternative Fueling Station Locator tool website.

It's now easier than ever for drivers of alternative fuel and plug-in electric vehicles to find a place to fill up.


June 5, 2015

Help Us Formulate the Clean Cities Strategy!

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Provide your input on a new Clean Cities program five-year strategic plan.


February 26, 2015