December 5, 2018, 1:45 p.m. by Matt Hickman
The move, the largest of its kind for an American city, could lower emissions and encourage public transit.
Should there be mandatory driving tests for older drivers?
July 16, 2018, 4:39 p.m. by Lloyd Alter
Apparently, and surprisingly, they don’t make much of a difference.
Plane, train or automobile: Which has the biggest footprint?
Aging boomers: Forget the car, get on a bike
E-bikes are booming among boomers
Do you have to modify a diesel engine to run it on vegetable oil?
12 reasons to use a bicycle for transportation
How fast could you travel across the U.S. in the 1800s?