Power in the desert: solar towers will harness sunshine of southern Spain
November 24, 2008, 11:32 a.m.
A new project in Andalusia, Spain will power 11,000 homes.
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.
Plane, train or automobile: Which has the biggest footprint?
5 brilliant mathematicians and their impact on the modern world
Should I unplug my appliances and, if so, will I save money on my electric bill?
No one knows how to merge, say road officials
13 optical illusions that will blow your mind
8 subway maps that double as works of art