The inventors are looking for $1 million to keep testing technology they claim could power the United States three times over.
In the midst of a federal funding disaster, a good idea emerges.
Two words: tax carbon.
In the Netherlands, it's 500 meters of TRON.
Despite modest success, most systems have neither increased mass transit commute share nor the vitality of city centers.
The government transformed a major infrastructure project into a jobs program, employing hundreds of struggling Senagalese.
Tough policies are the ones that would truly change commuter habits, but we're barely seeing them.
Four charts that point to the merits of fix-it-first road funding.
Modernizing India's highways hasn't cut down on fatalities. But a Mumbai engineering firm thinks things like curves and signs could make all the difference.
The village of Long Grove considers privatizing its public streets.
Two separate road networks: one running between cities and one running within them.
It's not too soon to start discussing how to keep the Highway Trust Fund from bankruptcy.
In Wisconsin, even the streets smell like cheese.
A photo tour of Britain's quirky roadside cafes.
Loudoun County was once one of the most beautiful in Virginia. Now it's just a massively sprawling suburb.
An innovation in Texas could extend highway lifespans and decrease repair spending.
A brilliant plan to hit scofflaws where it really hurts.