Bicycle

The MIT-designed Copenhagen Wheel could give your beat-up legs a break the next time you hit your bicycle. And it might even mean a sweat-free commute to work.

Can you name an Indian city where authorities recently banned bicycles, along with hand carts and other non-motorized vehicles, from key roads and streets during the day.

Bike sharing programs are popping up in major cities all over the United States. Offering a flexibility that trains and buses can’t match, shareable bikes are expected to become more widely available — including in Chicago, among the largest cities to offer a bike-share program.

Sao Paulo is a city stuck in traffic. Gridlock sets in during rush hour. The quickest way to get around the city is by bike, but it’s incredibly dangerous. Few people bike, and those who do are always in danger of being struck by a speeding, or merely passing, automobile.

Boston’s Hubway bike sharing program is popular with commuters, who may use a bike to finish their commutes to their homes or offices. As the program in Boston looks to expand, bike sharing programs are taking hold in cities the world over.