Diesel cleans up its act
November 24, 2008, 10:53 a.m.
The new models are green, fuel-efficient and may be a better choice than a hybrid.
Ithaca, NY, wants to be America's 1st podcar city
November 23, 2008, 5:21 p.m.
Is the future now for podcars?
Is there any easy, pre-trip way to find stations with biodiesel?
February 28, 2008, 2:37 p.m. by Mother Nature
Check out this site that will tell you where to find biodiesel pit stops nationwide.
This bike lane is covered in solar panels. (It's also in the middle of a highway)
8 subway maps that double as works of art
A bike is like 'a rolling walking stick'
Plane, train or automobile: Which has the biggest footprint?
12 reasons to use a bicycle for transportation
How fast could you travel across the U.S. in the 1800s?