Dim bulbs in California
By Jeffrey Yago, P.E., CEM
Issue #107 • September/October, 2007
By now many of us have heard that under a bill proposed by Assemblyman Lloyd Levine (D), the state of California is about to become the...
What if the electricity GOES OFF?
By Michael Hackleman
Issue #55 • January/February, 1999
Just as everyone was getting ready to throw the party of the century and millenniumout with the old and in with the newsomeone springs Y2K on us. Power...
Prepper power! Part 2
By Jeffrey Yago, P.E., CEM
Issue #137 • September/October, 2012
I discussed in Part 1 the many reasons why preppers need to think more long-term about providing reliable electric power. I also mentioned that while it's...
Intake and exhaust upgrades for better mileage and performance
By Len Torney
Issue #120 • November/December, 2009
Well, it seems the price of oil and gasoline has peaked and plummeted, much like a lot of the rest of the economy these days. One upside to...
Keep the Ice On
By Jeffrey R. Yago, P.E., C.E.M.
Self-Reliance, Fall 2019
When I ask most people why they own or are looking to buy a generator, most will say it is to keep a refrigerator or freezer operating....
Just for Kids: Sun-kabobs and solar sizzle
By Lucy Shober
Issue #28 • July/August, 1994
Click on pictures for printable, full-sized versions to color.
Picture yourself in this dreamy scenario: It's a hot summer afternoon. The sun is beaming through the shade trees as...
Solar charge controllers — myths, hype, and facts
By Jeffrey Yago, P.E., CEM
Issue #153 • May/June, 2015
Most people with a basic understanding of solar power are aware they need a solar module and a storage battery to power an electrical device using...
A solar primer — How it works, how it’s made, what it costs
By Jeffrey Yago, P.E., CEM
Issue #72 • November/December, 2001
Buying a solar power system is not like buying a kitchen appliance or power tool. These, unlike a solar system, have published capacity and performance data...
Solar Building Design
By Steven Heckeroth
Issue #63 • May/June, 2000
Solar building design has been used since ancient times. In the more recent past, it has been more or less ignored as impractical, complicated, or too expensive. Incorporating...
Make your own biodiesel for 80¢ per gallon
By Jeffrey Yago, P.E., CEM
Issue #101 • September/October, 2006
My Ford F-250 diesel crew-cab pickup did not cause me to become interested in making my own bio-diesel fuel. No, the final straw was when I...
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...
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...
Build Your Own Car Wash
By Jeffrey Yago, P.E., CEM
Issue #133 • January/February, 2012
Completed car wash in operation
If someone told me a year ago that I would have a commercial car wash behind my garage, I would have laughed....
Solar Food Drying
By Marcella Shaffer
Issue #58 • July/August, 1999
The oldest known method of food preservation is drying food using the heat from the sun. Unfortunately it has become the least used as freezers and pressure canners...
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...






























