Note that this tool has not been updated since 2007. My firm EHDD is working on a early-phase carbon assessment tool now that is not quite ready for sharing, but will be in the coming months. It will allow you to look at the questions you raised.
Note that this tool has not been updated since 2007. My firm EHDD is working on a early-phase carbon assessment tool now that is not quite ready for sharing, but will be in the coming months. It will allow you to look at the questions you raised.