this video from the united nations university showed them demonstrate ago desktop unit at a school inan to teach children about the importance of cleaning up plastic trash. >> in nepal there was a truck that runs around. it is powered by the fuel. the system basically has a filtration that is similar to a converter. so the only two things that is coming off is water and small amount of co2. >> this is one area they want to a garbage patch. a yyra is a system that swirls around a central point that create a whirlpool effect that pushes the debris to the center. >> some estimate there are millions of tons of plastic floating over many square miles of ocean. >> one of the biggest things we can help to keep the plastic out of the ocean to provide a monetary value for the plastic trash. >> they would like to see a program similar to recycled cans and bottles. they could melt the trash and sell the fuel. >> for every ten pounds, we make a gallon of fuel. >> down side is cost. $15,000 for the desktop and $275,000 for the unit used by the clean oceans project. so the upside is make plastic tr