US Energy Information Administration
Energy Information Association: u.s. Household Electricity Report
The report provides an overview of the electricity consumption in households in 2001. End-use (lighting, appliances, heating) data is presented in written, graph and table form. Background on efficiency standards and regional factors...
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle
The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...