Vehicles

A Military-Grade Wheelchair That Could Scale Mountains

The Austrian-made "Ziesel" has tank treads and plows through snow like a nitro-fueled riding mower.

Laverrue/Flickr

Stat of the Day: Bicycle Fatalities Rose 8.7 Percent From 2010 to 2011

The vehicle fatality rate dropped, though.

Tata/MDI

Forget Electric Cars, This One Runs on Compressed Air

Tata Motors zero-pollution Airpod is inching closer to becoming a real thing.