Infiltration
The air that leaks in around doors, windows, and electrical outlets, etc. which can be a major source of heat loss.
Leave a Comment January 28, 2010
Filed under: renewable energy
OFF-GRID ELECTRICITY
Leave a Comment December 21, 2009
Active solar
A system using mechanical devices such as pumps, fans etc., that transfers collected heat to the storage medium and/or the end-use.
Leave a Comment December 16, 2009
Microturbines
Small rotary engines (usually fueled by natural gas) that provide on-site electricity generation.
Leave a Comment December 10, 2009
Daylighting
Letting natural light into a space through glazing with the intent of reducing or eliminating electric lighting, and thereby the energy consumption of a building.
Leave a Comment November 19, 2009
Biodiesel
A cleaner-burning diesel fuel made from natural, renewable sources such as vegetable oils.
Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable oils used to fuel converted diesel engines. Biodiesel can be used alone, or blended with petrodiesel.
Leave a Comment November 15, 2009
Carbon Neutral
Reducing energy use and impact to remove as much carbon dioxide from the environment as we put in.
Further steps to carbon neutrality can also be achieved by use of renewable energy and buying carbon offsets for that which can’t yet be reduced.
Leave a Comment November 10, 2009
Geothermal Energy
Energy derived from the heat that exists in the interior of the earth.
Power can be generated from natural steam, hot water, hot rock or lava in the Earth’s crust.
Leave a Comment October 30, 2009
