The Wanda Diaz ‘trash wheel’ is powered by water and sunlight. (Courtesy photo) Along a dirty river, an ingenious garbage-swallowing machine and an ...

Trash cans made of plastic or metal and built with lift, swing and hands-free lids can be found for under $20. Midrange models with a few good features cost between $50-$150.

While plastic is certainly the cheaper option, metal trash cans are more durable. ... iTouchless 16 Gallon Touchless Sensor Kitchen Trash Can and Recycle Bin with Wheels.

Cornell University researchers put garbage bins on wheels with 360 cameras and unleashed them in NYC to see how ... They powered two plastic trash cans using recycled hoverboards and attached ...