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...
Keeping your food cold — Solutions to refrigeration when electricity is scarce
By Michael Hackleman
Issue #56 • March/April, 1999
Many readers of this magazine live in remote settings and generate their own electricity, often through solar, hydro, wind, or generator machines, storing the electricity generated in batteries....
Are hydrogen-fueled cars pie-in-the-sky?
By Jeffrey Yago, P.E., CEM
Issue #103 • January/February, 2007
Hydrogen-fueled cars is a topic of much discussion these days. People who want to see the U.S. freed from dependence on foreign oil often assume the...
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...
Don’t discount a generator, especially a diesel generator, as your primary power source
By Skip Thomsen
Issue #28 • July/August, 1994
There are three major reasons that wind, solar or hydro-electric systems are impractical for some folks: not enough wind, too many cloudy days, and no stream. In that...
Energy class: Part 1
By Jeffrey Yago, P.E., CEM
Issue #111 • May/June, 2008
Each fall when my dad took us to the State Fair, we could always count on this fast-talking salesman standing next to his car with 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...
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...
Solar Power 101 — Batteries: Part 2
By Jeffrey Yago, P.E., CEM
Issue #88 • July/August, 2004
This article is the second in a series of what will be a beginner's course in solar electricty. Simultaneously we have instituted a Home Energy Information...
Grid-tie solar-powered farm
By Jeffrey Yago, P.E., CEM
Issue #94 • July/August, 2005
Photo 1: One of two Fronius 3-kW grid-tie inverters. Note the DC-rated safety disconnect and all high voltage wiring installed in metal conduit.
Most of my past...
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...
Solar power for farm and ranch
By Jeffrey R. Yago, P.E.
It may be surprising to learn that there are now all kinds of do-it-yourself solar powered devices specifically designed to make farmers and ranchers lives easier and safer. Many of...
Generators alone are not enough
By Jeff Yago, P.E., CEM
Issue #157 • January/February, 2016
When talking to fellow preppers at self-reliance expos across the country, I am always impressed by how many already have long-term food supplies, stored water, medical...
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...
Phantom solar — The crucial invisible system needed before you install solar
By Jeffrey Yago, P.E., CEM
Issue #78 •
Are you planning to install a solar photovoltaic system to reduce your utility bills? How would you like it if your first solar electric power system had invisible...
Solar Power 101 — Solar arrays
By Jeffrey Yago, P.E., CEM
Issue #90 • November/December, 2004
This article is the fourth and final part of our beginner's course in solar electricity. Simultaneously we have instituted a Home Energy Information (www.homeenergy.info) section on...































