Steven Vance

Tech can help cities deal with the onslaught of demand for vehicles to get to the curb.

Although LA has a reputation for being hopelessly car-dependent, with a little planning you can have a great time sightseeing via buses and trains.

Oil production is booming across North America, as new technologies make it possible to extract liquid crude oil from sources like the Bakken shale oil field in North Dakota and Montana, or Alberta's tar sands. The ever-increasing volume of crude oil mined in remote Great Plains locations often finds its way to refineries via "rolling pipelines" – freight trains that tow a million barrels of oil around the United States every day. Production of Bakken crude has tripled over the past three years, and 79 percent of it is shipped out by rail.

A new study has found that bike lanes with a buffer next to the parking lane are better than conventional bike lanes at encouraging bicyclists to ride outside the door zone.

With two and a half years of service under his belt as Chicago's transportation commissioner -- not to mention 300 bike-share stations -- Gabe Klein announced that he will be resigning at the end of November.