Continental crust is buoyant compared with its oceanic counterpart and resists subduction into the mantle. When two continents collide, the mass balance for the continental crust is therefore assumed ...

We all understand the concept of a hybrid vehicle. Unlike an electric vehicle (EV) that is totally powered by electricity, a hybrid vehicle runs on both fossil fuels and electricity. Hybrid vehicles ...

Washington — A new federal government report is calling for national standards around a "mass balance" approach to measuring recycled content in plastics made from chemical recycling, saying it would ...

ORLANDO, Fla.—For chemical recycling to work effectively, some plastics and consumer product companies say governments need to embrace very technical but important standards called mass balance.