A hybrid car is a car which can run on two or more fuel sources. The term most commonly refers to Hybrid Electric Vehicles (HEVs), which combine an internal combustion engine and one or more electric motors.
Leave a Comment April 27, 2010
The air that leaks in around doors, windows, and electrical outlets, etc. which can be a major source of heat loss.
1 Comment January 28, 2010
Leave a Comment December 21, 2009
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
Small rotary engines (usually fueled by natural gas) that provide on-site electricity generation.
Leave a Comment December 10, 2009
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
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
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
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
