Pedal Powered Hovercraft
I love the engineering of the lift fan on this pedal powered hovercraft. It needs a little more lift to make really work, but wow. » about 100 words
The World’s Greenest Roller Coaster
This pedal-powered roller coaster is Washuzan Highland Park‘s Skycycle in Okayama prefecture, Japan It appears that the only CO2 emissions are the huffing and puffing of riders peddling to the top. The park does have three traditionally powered steel coasters (the Ultra, Star Jet, and Chupy). » about 100 words