Case Studies

Find case studies and success stories about alternative transportation technologies and alternative fuels.

Sea-Tac and Alaska Air Group Achieve Sky-High Results with Electric Ground Support Equipment

The skies above the Seattle-Tacoma International Airport (Sea-Tac) are clearer thanks to an initiative aimed at integrating electric ground support equipment (eGSE) into the airport's operations.

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ampCNG Puts Conventional Fuels Out to Pasture with Renewable Natural Gas

ampCNG's fleet of milk transport trucks runs on compressed natural gas (CNG) made from cow manure produced at Indiana-based Fair Oaks Farms' dairy operation. In just four years, ampCNG has driven millions of miles on this renewable form of natural gas, or RNG, and has displaced nearly 6 million gallons of petroleum in the process.

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Alternative Fuels Help Ensure America's National Parks Stay Green for Another Century

In its vigilance to protect the parks, the National Park Service (NPS) teamed with the U.S. Department of Energy (DOE) through the Clean Cities National Parks Initiative (CCNPI), a collaboration specifically aimed at bringing together the resources of the Clean Cities program and the NPS to minimize petroleum use and reduce emissions in the parks.

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Coalition Leader Establishes Unique Initiatives to Effect Change and Protect Ecosystem

In partnership with Yellowstone and Grand Teton national parks, the Yellowstone-Teton Clean Cities coalition has secured more than $750,000 from the Clean Cities National Parks Initiative to support a number of major sustainability initiatives and other projects that advance cleaner, more efficient transportation in the region.

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Alabama Prisons Adopt Propane, Establish Fuel Savings for Years to Come

Ever since Alabama Clean Fuels Coalition (ACFC) hosted its annual Propane Road Show in 2012, officials from the state's Department of Corrections (ADOC) were inspired to see if the fuel could work in their own fleet.

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