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

Feeling Pain at the Pump? Factors That Affect Fuel Prices

Graphic comparing regular gasoline retail price of $2.72 per gallon to diesel retail price of $2.89 in May 2015. For gasoline, the price consisted of 17% taxes, 10% distribution and marketing, 22% refining, and 51% crude oil. For diesel, the price consisted of 18% taxes, 17% distribution and marketing, 17% refining, and 48% crude oil.

When gasoline and diesel prices go up, it's often due to numerous and complex factors.


July 20, 2015

Summer Road Trip in Your Future? Cut Fuel Costs When the Temperature Heats Up

Photo of a couple in a silver convertible driving down a dirt road in the countryside.

Improve your fuel economy and save money on fuel this summer with these simple tips.


May 19, 2015

How Heavy is Too Heavy? Idle Reduction Equipment Impacts Weight Limit Restrictions

Photo of a red semi-truck driving on a highway surrounded by forest.

Learn how idle reduction technologies affect interstate weight-limit restrictions for heavy-duty vehicles.


April 20, 2015

Back to Basics: Understanding Emissions — and How to Talk About Them

A photo of a white sign that reads 'Low emitting vehicles only' in green writing, set against a blue sky with white clouds.

Learn about the resources available to help you become an emissions expert.


March 23, 2015