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Fuel Economy

Learn how a revolutionary <a href="http://energy.gov/articles/545-mpg-and-beyond-new-tire-technology-pumps-fuel-savings">new tire technology</a> could mean never having to worry about under-inflated tires on your vehicle.

Learn how a revolutionary new tire technology could mean never having to worry about under-inflated tires on your vehicle.

New Investment in Energy-Efficient Manufacturing
The Energy Department is supporting new research and development projects that focus on reducing energy use and costs for U.S. manufacturers. One project is expected to dramatically reduce the cost and lower the energy needed to produce aircrafts. | Photo courtesy of ARM Climate Research Facility.

Five new R&D projects will focus on reducing energy use and costs for U.S. manufacturers while helping to boost product output and improve companies' bottom lines.

54.5 MPG and Beyond: Hybridization Moves Vehicles Forward
With help from the Clean Cities National Parks Initiative, Grand Teton National Park was able to purchase hybrid electric vehicles, which the park's Wildlife Brigade use to spark discussions about emission and fuel efficiency. | Photo courtesy of the National Park Service.

Next up in our series on fuel economy: Why two engines in a vehicle can be better than one.

54.5 MPG and Beyond: Speeding Up Development of Advanced Combustion Engines
Argonne engineer Steve Ciatti works on an engine in Argonne's Engine Research Facility -- a facility where researchers can study in-cylinder combustion and emissions under realistic operating conditions. | Photo courtesy of Argonne National Laboratory.

The fourth post in our fuel economy series: how researchers are improving the internal combustion engine.

54.5 MPG and Beyond: Materials Lighten the Load for Fuel Economy
Lightweight materials, such as high-strength steel, aluminum, magnesium and carbon fiber can help improve fuel economy in future vehicles. This is a carbon fiber from microwave-assisted plasma unit -- a unit that is part of the process to transform precursor fibers into carbon fibers that can be used in vehicles. | Photo courtesy of Oak Ridge National Laboratory.

The third post in our fuel economy series: Exploring how lighter materials for vehicles lead to fuel savings.

54.5 MPG and Beyond: Fueling Energy-Efficient Vehicles
This infographic looks how new fuel economy standards will save Americans money at the pump, reduce our dependence on foreign oil and grow the U.S. economy. <a href="/articles/road-fuel-efficiency">Click here</a> to view the full infographic. | Infographic by Sarah Gerrity.

New fuel economy standards will save Americans money at the pump, reduce our dependence on foreign oil and grow the U.S. economy, and the Energy Department is driving the innovation necessary to meet these standards.