Golitsyn – Alternative Energy Sources Against the backdrop of the use of primary energy sources—oil, gas, coal, nuclear power, and hydropower—the book examines in detail the prospects for utilizing alternative energy sources, such as solar, wind, ocean, and geothermal energy, bioenergy, and unconventional sources of oil, gas, and oil shale. ...

Shomin – Biogas on the Farmstead In the book *Biogas on the Farmstead* by Shomin, the author notes that if you run a small farm and keep livestock, manure constantly accumulates in your yard; by using this to produce biogas (methane), you can obtain free fuel and reduce or eliminate ...