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Some sources of energy – like ethanol that powers the engine of a car – are made from corn. Other biofuels are made from vegetable oil. Other renewables include solar energy, wind energy and energy from rain, trees, the tides at sea; and from the earth itself — as geothermal energy.

Nonrenewable energy comes from sources such as the uranium, completely consumed in the production of nuclear energy; as well as the fossil fuels — coal, petroleum and natural gas — that can not be replaced.

Since energy costs will make up a good portion of household expenditures it will pay to make a few changes and then review the impact that efficient energy use can have on the monthly household budget, so it’s both lean and “green.”

+ Do the laundry in full loads of cold water

+ Set the temperature of the water heater to 120° F

+ Use caulking on any air leaks around the windows and doors

+ Maintain or replace air filters on heating systems and cooling systems

+ Insulate the walls, ceiling, and floors of the home to retain heat

+ Monitor the actual cost per mile of local driving for your vehicle.

+ Monitor the actual cost of a 5-minute shower for your household

+ Install compact fluorescent lights

+ Reduce standby power by turning of electronic appliances not in use

+ Look for eco-labels and buy only energy-efficient appliances.

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