An incredible new engine is powered by just a single calcium atom, and by being so small it can run more efficiently than scientists had previously believed possible. Share on Facebook (opens in a new ...

One famous limit of thermodynamics is that heat engines, like steam engines and internal combustion engines, must be less efficient than a Carnot heat engine (a heat engine cycle designed by French ...

Combined heat and power (CHP), also known as cogeneration, is the simultaneous production of electricity and heat from a single fuel source, such as: natural gas, biomass, biogas, coal, waste heat, or ...