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...

Millenium Vehicles

By Michael Hackleman Issue #57 • May/June, 1999 A major failing of transportation worldwide is that 99.9% of vehicles on farms, street, and freeways work on one energy source: liquid fuels. In any disaster—small or large,...

Powering medical equipment during a utility blackout

By Michael Hackleman Issue #70 • July/August, 2001 Most people consider blackouts a nuisance. However, for some folks, a blackout can be paralyzing or even deadly, particularly if a critical piece of medical equipment lacks electricity....

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...

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...

Power Up Light, Water, Communications in Emergencies

By Jeffrey R. Yago, P.E., C.E.M. April/May/June, 2019 Preparing for any emergency or future disaster is never easy. What should you prepare against; what is the likelihood it will actually happen; how long will it take...

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...

Solar suitcase

By Jeffrey Yago, P.E., CEM Issue #150 • November/December, 2014 Completed solar suitcase project From time to time, people call to ask what we have for emergency solar power suitable for a bug-out bag. Naturally, my first...

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....

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...

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....

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...

Grid-tied, Grid-connected, Off-grid. What’s the difference?

By Jeffrey Yago, P.E., CEM Issue #140 • March/April, 2013 Several weeks ago I received a call from a woman in Florida complaining that they just had a power outage lasting several days and her solar...

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...

Design calculations for overshot waterwheels

By Rudy Behrens Issue #18 • November/December, 1992 (For good background information for this article, the reader should read "Waterpower for personal use" in Issue No. 16 and "Design calculations for overshot waterwheels" in Issue No....

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...