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In 2010, we imported less than 50 percent of the oil our nation consumed—the first time that’s happened in 13 years.

In 2010, we imported less than 50 percent of the oil our nation consumed—the first time that’s happened in 13 years.

Supercomputing Our Way to a Clean Energy Future
Using computer modeling technology from Lawrence Livermore National Laboratory (LLNL), truck manufacturer Navistar is able to improve vehicle fuel efficiency and durability without the expense of wind tunnel testing. | Photo courtesy of LLNL Livermore Valley Open Campus.

How advanced computing technology is helping major companies lower their R&D costs while developing more energy efficiency technologies.

Driving the National Parks Forward
Propane shuttle buses used to transport visitors at Mammoth Cave National Park. | Photo courtesy of the National Parks Service.

Clean Cities, in the Energy Department’s Vehicle Technologies Program, is proud to help our parks find solutions to many of their most pressing challenges.

National Clean Fleets Partnership Moves Forward
UPS is one of the Energy Department's National Clean Fleets Partners. The company is reducing petroleum use and emissions through careful route planning, fuel efficiency measures and alternative fuel use. | Photo courtesy of UPS.

The National Clean Fleets Partnership helps large fleets reduce their petroleum use. Secretary Chu today announced four new members of the partnership at the Green Truck Summit in Indianapolis, bringing the total partnership to 18 corporate members, who operate more than a million vehicles nationwide.