August 26, 2013, 8am PDT
Unable to find funding to repair roads damaged by the booming oil industry traffic, Texas will convert asphalt roads to gravel. Texas's gas tax is among the lowest in the nation.
April 3, 2013, 12pm PDT
More than a third of the land in our cities is covered by black asphalt, an exemplary heat trapping surface and major contributor to the urban heat island effect. Researchers at Lawrence Berkeley Lab are studying "cool pavement" alternatives.
June 5, 2012, 8am PDT
Michael J. Coren has a preview of an MIT report that lays out the economic and environmental benefits of stiffer pavement.
May 25, 2012, 12pm PDT
Emily Badger reports on pioneering research that is looking into ways to utilize the heat trapping properties of asphalt, rather than fighting it.
January 4, 2011, 7am PST
Winter storms have combined with bad road engineering, geography, funding shortfalls and inequities in Sonoma County, California. drivers and cyclists can expect an unusually rough ride this year and more to come.
July 31, 2010, 5am PDT
"When counties had lots of money, they paved a lot of the roads and tried to make life easier for the people who lived out here," said Stutsman County Highway Superintendent Mike Zimmerman, "Now, it's catching up to them."
July 19, 2010, 10am PDT
Rather than being part of a car liberation or permeable pavement movement, poorly maintained county roads are having their asphalt ground into gravel as a cost-cutting measure to avoid costly road reconstruction. Lack of funding is the cause.
Wall Street Journal - U.S.
February 8, 2010, 6am PST
In an effort to cut transportation maintenance costs, some cities are ditching their asphalt roads and going back to gravel.
July 9, 2009, 8am PDT
As oil prices rise, so does the cost of asphalt. Concrete, historically more expensive, is now becoming a viable cost competitor. Because of its lighter shade, its also been shown to contribute less to climate change.
December 8, 2008, 2pm PST
Landscape architect Paula Meijerink is calling on designers to rethink asphalt, and she's taking her efforts to the streets.
June 2, 2008, 10am PDT
<p>Asphalt is a byproduct of oil production, and so is getting more expensive along with rising oil costs. A $5 million research project is looking for greener solutions.</p>