Is steam power in your future?
By Skip Goebel
Issue #43 • January/February, 1997
If you're thinking steam is old-fashioned, consider this: Almost a century ago, steam cars and ships attained speeds and efficiencies which are still difficult to attain, even with...
Walden Pond, the solar version: Part 1
By Jeffrey Yago, P.E., CEM
Issue #99 • May/June, 2006
I have been writing solar power articles for many years on every possible application. This has included everything from simple solar chargers for cell phones to...
Solar hot water systems
By Jeffrey Yago, P.E., CEM
Photos by Patrick Redgate
Issue #118 • July/August, 2009
With continued shortages of wood for home heating, the Greeks built the North Hill section of Olympus in the 5th century B.C. This...
Design calculations for no-head, low-head waterwheels
By Rudy Behrens
Issue #17 • September/October, 1992
(This is the second of our three-part series on waterwheels. The third installation (Issue No. 18) will deal with overshot wheels. -- Editor.)
For those of you who are...
How to select the right backup generator
By Jeffrey Yago, P.E., CEM
Issue #82 • July/August, 2003
Now that the threat of terrorist sabotage to our utility infrastructure has been added to our basic concerns about storm related power outages, this may be...
Sunny Solutions for north slope applications
By Michael Hackleman
Issue #61 • January/February, 2000
Solar-powered pumps have proved their worth for many installations worldwide, anywhere under the sun. However, in the northern hemisphere, a year-around spring located at the base of a...
Add solar power to your truck camper
By Jeffrey Yago, P.E., CEM
Issue #93 • May/June, 2005
The recreational vehicle (RV) world is having a major comeback with the influx of baby-boomers. Today's travel trailers, 5th wheels, and motor coaches now include everything...
Grid-down battery devices
By Jeff Yago, P.E., CEM
Issue #163 • January/February, 2017
Most of my past articles and my just-released new book titled, Lights On, drive home the importance of having multiple battery-powered devices during an extended power...
Standby battery charging techniques can ensure engine startups
By Jeffrey Yago, P.E., CEM
Issue #83 • September/October, 2003
Those of us living beyond the suburbs own various sizes and types of yard and garden machinery. From the mandatory riding lawnmower for those weekend warriors...
A small creek provides plenty of power for this off-grid home
By Scott Gentleman
Website Exclusive • November, 2007
For eight years, Tracey and I lived in a solar powered home and for eight cloudy winters, we ran a small Honda generator every week to recharge our...
Converting a Gasoline-Powered Rototiller to Electric
By Glenn Willis, Jr.
Issue #87 • May/June, 2004
Several years ago my sister and her husband had an 8-horse gas-powered rototiller that went belly up. They fussed with it a bit, but couldn't get it...
Hydronic woodstoves
By Jeffrey Yago, P.E., CEM
Issue #105 • May/June, 2007
Do you realize there is an entire field of woodstoves that the general public rarely hears about, even though there are specialty woodstove stores in every...
Battery-Powered Tools are Changing
By Jeffrey Yago, P.E., C.E.M.
April/May/June, 2019
Battery-powered tool technology is now undergoing some rapid changes in both the power of the tool motors and the batteries supplying the added power. For many years most battery-powered...
Why you need to addsolar to your emergencypower backup plans
By Jeffrey Yago, P.E., CEM
Issue #149 • September/October, 2014
Click Here to listen to an interview with Jeff about this article.
Most of the electric substations, transmission lines, and electrical switchgear for any given utility are...
Energy class: Part 2 — Understanding your electric bill
By Jeffrey Yago, P.E., CEM
Issue #112 • July/August, 2008
In Part 1 of this series of articles, I hopefully made you aware that your home's utility costs should be more of a concern than what...
Emergency solar power for $950
By Jeffrey Yago, P.E., CEM
Issue #73 • January/February, 2002
For less than the price of a desktop computer you can have the piece of mind that your lights and small appliances can operate for months...































