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.

WHITEHOUSE: The White House

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.

ENGADGET: blogger-avatar

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.

FORBES: The Lawyers Suing Toyota Badly Need A New Theory

For example, a car could gently increase the gas-pedal spring pressure when the speed is too high -- the navigation system knows how tight that upcoming curve is, remember -- or apply a light twist to the steering wheel if the car is drifting off course.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car