Eco-Friendly Living
| ライブラリ名 | 概要 |
|---|---|
 From Incandescent Bulbs to Fluorescent and LED Lights | We'll compare the running costs of incandescent bulbs, compact fluorescent bulbs, and LED bulbs over the next 15 years. |
| From Commuting by Car to Commuting by Bicycle | Let's calculate how much you can save by switching from driving to work to biking to work. |
| Replacing Appliances with Energy-Efficient Models | We'll compare the initial cost of replacing your appliances with energy-efficient models and the electricity bills over the next 10 years. |