Tech

Power Your Car With a Biofuel Made From Beer

“Brewtroleum” is reportedly the first-ever fuel produced from used yeast.

Turn Your Conventional Car Into a Driverless One for 10 Grand

Cruise Automation’s RP-1 conversion system is now being tested on California highways.

A Wide-Reaching Plan to Give More Solar Power to the People

The Obama administration announced plans Tuesday to make solar energy more affordable for renters and those living in federally subsidized housing.

Navigator

Would You Use an App to Pick Up Your Trash?

Here’s what Uber-for-garbage plans to do for the dirty world of waste management.

Ford Tries to Figure Out Bicycles

The company’s Info Cycle project aims to improve the understanding of how urban streets work for cars and bikes alike.

Inside London's New Subterranean Urban Farm

The farm, located 115 feet below a busy South London street, uses hydroponic techniques to grow pesticide-free crops.

Maps

Where Electric Vehicles Actually Cause More Pollution Than Gas Cars

If you think EVs are always greener, these county-level maps will take you by surprise.

Videos

A View From Space So Clear You Can See the Cars Moving

Surreal views of Boston, London, and Barcelona from an ultra-high-definition camera aboard the International Space Station.

How Airbags Are Supposed to Work

A volatile chemical compound is being used as propellant in airbags made by Takata, the company behind the massive auto recall in the United States. Should it be?

A Nifty Device to Stop Cars From Driving Too Close to Bikes

BSMART helps the Chattanooga police give the local three-foot passing law some teeth.

A Psychiatrist for Your City: Best #Cityreads of the Week

A roundup of the best stories on cities and urbanism we've come across in the last seven days.

Bulldoze Moscow With This Classic Arcade-Game App

Remember Arkanoid? It’s back—to illustrate a real-life architecture crisis.

Can Co-Working on a Deadline Create Better Public Policy?

Four cities across the world are preparing to launch the "GovCombinator."

Deathtrap Doorless Elevators Are Back by Popular Demand in Germany

Named after the Lord’s Prayer, about 250 “paternoster” elevators still operate in the country.

Singapore Is Already Planning for a Future of Driverless Taxis

Officials see the technology as a way to make the city-state “even more sustainable and liveable.”

Don't Hold Out Much Hope for This 'Real, Rideable' Hoverboard

The Lexus prototype isn’t yet practical for the skate park.

Poll: What Limits Should We Impose on Drones?

Is it okay to use quadcopters for advertising, traffic management, or police surveillance?

How Finland Could Turn Horse Poop Into Power

A Finnish company is experimenting with using horse manure as fuel for biomass energy production.