After growing steadily for several decades, passenger vehicle miles traveled (VMT) in the
United States unexpectedly leveled off in the 2000s. The growth rate of VMT has since …

Cars, trucks, and other vehicles have long been linked to smog and other urban pollution,
but the part they play in the larger complex of atmospheric and energy ills that we now face …

An accurate estimate of vehicle miles traveled (VMT) is an essential input into a variety of
emissions, climate change, energy and infrastructure-planning models. We examine …

Recent trends show that sport utility vehicles, mini-vans, and light-duty trucks (SUV-VTs) are
progressively replacing passenger vehicles in the US fleet. The change in vehicle fleet …

Globalization, greenhouse gas emissions and energy concerns, emerging vehicle
technologies, and improved statistical modeling capabilities make the present moment an …

The size, composition, and use of the US motor vehicle fleet are subjects of major interest to
analysts and policy-makers concerned with the environmental impacts of passenger …

This brief employs the latest federal data to construct a thorough picture of VMT patterns
across the country, including roadway, vehicle, state, and metropolitan comparisons. It is …

For the past twenty years, energy and environmental analysts in the US have been
searching for ways to improve urban air quality and make the country less vulnerable to …

In three of the previous four reports in this series, I examined the changes from 1984 to 2011
in the number of registered light-duty vehicles, and the corresponding changes in distance …

Climate and energy security concerns have prompted policy action in the United States and
abroad to reduce petroleum use and greenhouse gas (GHG) emissions from passenger …