This is not a reality in terms of being accepted by the GHG protocols, In this instance industry and services are ahead of the wheels of NGOs and Governmental Institutions. Scope 4 emissions describe those that can be avoided through a product or service from the company reporting and currently fall beyond scope 3.
An example of this is a detergent manufacturer who produces a product that allows clothes to be washed in cold water, than warmer water, thus saving energy in the wash itself.