Today’s Alternative Fuel Choices: Propane

Part 7 of Advanced Technology and Alternative Fuel Vehicles. Liquefied petroleum gas (LPG), commonly called propane, is a mixture of at least 90 percent propane, 2.5 percent butane and higher hydrocarbons, and ethane and propylene make up the remaining balance. It is a byproduct of natural gas processing and/or petroleum refining. A propane-powered vehicle can’t […]

Other Considerations: Earth-Sheltered Houses

Part 7 of Earth Sheltered Houses. Waterproofing Waterproofing can be a challenge in earth-sheltered construction. Keep in mind these three ways to reduce the risk of water damage in your house: choose the site carefully, plan the drainage both at and below the surface of the house, and waterproof your house. There are several waterproofing […]