Fuel-latent plastic. Used like ordinary plastic, for packaging or other purposes, but when it is waste, can easily be turned into a substitute diesel fuel.

The process does not yet work well enough to be commercial, but the Pentagon was impressed enough to give $2.34 million for more research. The technique could reduce the amount of material that the military has to ship to soldiers at remote bases, because the plastic would do double duty, first as packaging and then as fuel.

It would also reduce trash disposal problems, according to the Defense Advanced Projects Research Agency, known as DARPA.

Read More: A Plastic Wrapper Today Could Be Fuel Tomorrow