Most prior net-energy studies of nuclear-power systems accounted only for the direct consumption of fuels and the indirect consumption of energy embodied in physical materials when making such estimates. Most ignored the energy embodied in labor, government, and financial services. In this...

Geopressured gas is a vast but diffuse fuel resource in the U.S. Gulf Coast Region. The U.S. Department of Energy sponsored a test drilling program to evaluate the physical parameters of the resource base. Data from this evaluation program and other studies were incorporated into a model that...