After peaking in 2007, new research shows that the rate of vehicle ownership in the U.S. took a dive over the next five years. Researchers argue the growth in car-free households suggests the country has surpassed peak motorization.
New research by Michael Sivak for the University of Michigan Transportation Research Institute [PDF] indicates that the rate of vehicle ownership by the average American household dropped from a high of 2.07 in 2007 to 1.98 by the end of 2012. This may not sound like much, but when considered in the context of other downward trends in miles driven and fuel consumption, Sivak sees a growing consensus that "motorization in the U.S. might have reached a peak several years ago."
Sivak's research also documents the concurrent rise in the percentage of car-free households in 21 of America's 30 largest cities, notes Angie Schmitt. "Growth in car-free households reflects a number of local factors, including the quality of transit, walkability, and income levels, among other factors, according to Sivak. But he says wider social trends are at work as well."
FULL STORY: The American Cities With the Most Growth in Car-Free Households

National Parks Layoffs Will Cause Communities to Lose Billions
Thousands of essential park workers were laid off this week, just before the busy spring break season.

Retro-silient?: America’s First “Eco-burb,” The Woodlands Turns 50
A master-planned community north of Houston offers lessons on green infrastructure and resilient design, but falls short of its founder’s lofty affordability and walkability goals.

Delivering for America Plan Will Downgrade Mail Service in at Least 49.5 Percent of Zip Codes
Republican and Democrat lawmakers criticize the plan for its disproportionate negative impact on rural communities.

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Balancing Bombs and Butterflies: How the National Guard Protects a Rare Species
The National Guard at Fort Indiantown Gap uses GIS technology and land management strategies to balance military training with conservation efforts, ensuring the survival of the rare eastern regal fritillary butterfly.
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