Flying cars have been a staple of science-fiction visions of the future for ages. Perhaps most famously in “Back to the Future II.” The film may have overshot the mark a bit with Doc and Marty McFly navigating full-on air highways in 2015. But Utah is pushing for the technology to take off by 2034, when the state hosts the Olympic and paralympic winter games.

We're not exactly talking about flying Delorians or vehicles you'd recognize as a car, but rather small, lightweight aircraft for traveling shorter distances. Reporter Caroline Ballard got a first look at the air taxis.

China is responsible for most of the world’s processing of rare earth metals and minerals, but its new export restrictions have raised the stakes for U.S. efforts to build its own supply chain and processing industry. Barbara Arnold, a professor of mining engineering at Penn State, says there are options, but they require time, development and investment.

Surveillance technology like automated license plate readers has become commonplace in policing. They've made it easier to locate stolen vehicles and track suspects, but they've also raised concerns about civil liberties. Cardinal News Executive Editor Jeff Schwaner took a 300-mile drive through the state to see how often his car would be recorded. Marketplace’s Meghan McCarty Carino spoke with Schwaner about his experience and issues related to privacy and who has access to the data.