Featured in alt vehicles
Chemical-Powered Cars Square Off
A hydrogen fuel cell powers the winner of the 10th annual Chem-e-Car race
A House That Walks
Don't like your neighbors? Just stroll away
What Modifications Would I Need to Make to My Car So I Could Drive It On The Moon?
PopSci's FYI experts tackle any likelihood
The Personal Tilt-Rotor
An ambitious aircraft concept combines the speed of a plane, the agility of a helicopter and the efficiency of a hybrid car
Riding in the Rain: Peugeot HYmotion3 Compressor Concept
Peugeot looks toward a future of fuel-efficient, all-weather scooters replacing cars for short, urban jaunts
A Submersible Aircraft, Powered By Ideas
DARPA wants to harness your imagination
A Plastic Bicycle
Pre-molded, lightweight parts make for a new kind of ride
A tank welded from junkyard parts -- that shoots hot dogs
Readers Ask: Where Are Our Mechs?
Giant robot vehicles have long been a staple of science fiction. When do we reality-dwellers get ours?