June 26, 2015, 1:53 p.m. by Lloyd Alter
What is Uber anyway? Is it a taxi service or as it claims, a technology platform, or something else altogether?
September 15, 2014, 12:52 p.m. by Jim Motavalli
Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.
February 17, 2014, 12:18 p.m. by Jim Motavalli
Which form of travel gives off the fewest emissions? Let's just say it pays to carpool.
January 17, 2014, 1:20 p.m. by Jim Motavalli
Two new studies decipher who prefers which kind of car, revealing unexpected attitudes that challenge many assumptions.