Today’s Tip from The Green Year: 365 Small Things You Can Do to Make a Big Difference: Use natural de-icer on your car.
“Instead of the chemical-laden solutions designed to keep ice from building up on your car windows (or letting your car idle to warm up and melt the ice), rub the inside of the windows with a sponge soaked in salt water. You won’t notice it but the salt residue will remain on the windows and will help ward off frost.”