Letter Re: Some Thoughts on Fuel Conservation WTSHTF
Jim: To follow-up on my last e-mail, here are some random thoughts that I’d like to share on fuel conservation, for when the Schumer Hits the Fan (WTSHTF): Water Pasteurization Indicators (WAPIs) – Often used in the Third World to save fuel and time when treating drinking water. Water that is heated to 149 degrees for a short time is free from living microbes. Water does not have to be boiled for 10 minutes. A WAPI is a simple, small and low cost tube with a special soy wax that can show that water has reached a safe Pasteurization temperature. …