Green Word A Day » renewable energy

Hybrid Vehicle

admin — Tue, 27 Apr 2010 21:01:51 +0000

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.

Infiltration

admin — Thu, 28 Jan 2010 20:17:07 +0000

The air that leaks in around doors, windows, and electrical outlets, etc. which can be a major source of heat loss.

OFF-GRID ELECTRICITY

admin — Mon, 21 Dec 2009 12:33:26 +0000

Electricity produced by small generating units that are not connected to high-voltage transmission lines.

Active solar

admin — Wed, 16 Dec 2009 11:32:49 +0000

A system using mechanical devices such as pumps, fans etc., that transfers collected heat to the storage medium and/or the end-use.

Microturbines

admin — Thu, 10 Dec 2009 17:19:37 +0000

Small rotary engines (usually fueled by natural gas) that provide on-site electricity generation.

Daylighting

admin — Thu, 19 Nov 2009 10:33:59 +0000

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.

Biodiesel

admin — Sun, 15 Nov 2009 19:04:39 +0000

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.

Carbon Neutral

admin — Tue, 10 Nov 2009 13:19:14 +0000

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.

Geothermal Energy

admin — Fri, 30 Oct 2009 13:20:10 +0000

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.