[SEL] Gas Engines and Steam Tractors

[jbcast at charter.net]

> >I bet that steam will be dead by the middle of the century!
> >
> >Gene
> >
> 
> >**********
> >  
> >
> Just don't tell the power stations.
> 
> Jack in Oz
> **********
> 
The older power plants used gas to make steam, steam drove turbines. Newer co-gen plants burn gas to drive a turbine like a jet engine, the waste heat is used to make steam for the manufacturing plants. It's said to be more efficient.
J.B. Castagnos