Teens design pedal-powered filtration system: High-schoolers Payton Karr and Kiona Elliot , from Oakland Park, Florida , led a team of inventors who designed a collapsible, transportable, bicycle-powered emergency water-sanitation station that filters E. coli and other harmful pathogens from contaminated water.
To cope with air pollution in China, artist Matt Hope produced a "Breathing Bike, " that consists of a fighter pilot's breathing mask attached to a pedal-powered air filtration system.
Consumers no longer trust Toyotas because a defective gas pedal, or possibly a malfunctioning electronic throttle control system, or maybe a poorly secured floor mat, can cause them to surge out of control.