The articles range from solidly practical (how to choose a bike) to whimsical (the development of floating cars). There's a great image on how to arrange a busy urban intersection to suit all the people and vehicles that need to use it (showing lots of colored pavement and large street trees). And there's a piece on San Francisco's 30-year-old casual carpool system, where strangers share a ride and get a free pass at the tollbooth, plus stuff about light rail, stimulus funding and zipcars.
It's not on the newstands any more, but you can read all the articles from this link. Food for thought.