• The Army's Tank Automotive Research, Development and Engineering Center is running the project jointly with the Naval Facilities Engineering Service Center and the Seabees.
• Tests were run July 9-13 at Naval Base Ventura County, in California. A backhoe and two excavators are in the program.
• The services are looking for ways to get more energy efficiency in their heavy construction gear to reduce costs and reduce the amount of fuel that has to be supplied to forward construction units.

From the article:

Hybrid hydraulic technologies were tested July 9-13 by Navy and Army engineers seeking to achieve greater energy efficiencies and reduce costs among the U.S. Department of Defense's heavy construction fleet. ...