While it may be tempting to cover the racks of your oven with aluminum foil to keep spills to a minimum, don't. Foil reduces the heat flow and increases the cooking time, which uses more energy and raises your utilities bill.
If your hybrid car is in desperate need of a wash and dry, leave it to the car wash. The automated car washes are the greenest choice, since they operate as efficiently as possible. Many car washes actually recycle water, too. When you wash your car at home with a hose, you are likely to use more water. It's even worse if you use a non-biodegradable soap, because it'll go into the storm drains or groundwater.
Spring is around the corner, which means your lawn will need to be mowed soon! Tune up your lawn mower and you'll reduce emissions up to 50 percent; you'll also cut back on your fuel consumption. Your local hardware shop can tune it for you, or visit www.yardsmarts.com for more information.