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2Old Toyota Camry Hybrid batteries find new life in Yellowstone

Beginning this fall, used hybrid batteries that would otherwise be recycled will get a second life in Yellowstone National Park. 208 nickel-metal hydride batteries are being retired from the Toyota Camry Hybrids they once helped power and will become part of an off-the-grid energy system at Yellowstone's remote Lamar Buffalo Ranch field campus. The Lamar campus provides field seminars and other education and research in the northeastern corner of the park.

AddAOL Autos Road Trip: Four Thousand Miles In A Nissan Pathfinder

Things to consider before beginning your cross-country journey

‚ÄčThere's something about a road trip that invariably gets me excited. Maybe it's the cultural remains of Manifest Destiny or my own sense of adventure, but each year I, like millions of other Americans, pack my vehicle to the brim with enough supplies to survive a mild nuclear winter and head off across the continent.

5Michelin tires help green up Yellowstone National Park

Yellowstone National Park's most famous attraction is called "Old Faithful." Now, Michelin says its tires make their own claim to dependability inside the oldest national park in the US. Indeed, the tiremaker has donated more than 1,400 tires to the National Park Service since 2008, enough so that the NPS has saved around $300,000 in annual expenses for its 800-vehicle fleet.

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