My latest column in the National Post this past Friday (July 3) focused on the billions of kilowatt hours than can be saved by improving the efficiency of escalators — with litlle or no investement.
Read the column at http://bit.ly/5Be86o
By Jim Harris
My latest column in the National Post this past Friday (July 3) focused on the billions of kilowatt hours than can be saved by improving the efficiency of escalators — with litlle or no investement.
Read the column at http://bit.ly/5Be86o
