Carbon footprint calculations

I am looking for calculation inputs for a carbon footprint calculator that I am being built. Following the guidelines for a calculator like the one shown here: [login to view URL] (check the footnotes at the bottom for calculation input information) and here ([login to view URL]). Basically the information that they are using to calculate the carbon footprints is what I need so that they calculator builder can input them into my calculator for my site. I need these calculations for the following categories and in US measurements: Car/motorcycle travel, taxi, air travel, public transport/bus, home electricity, natural gas usage, hotel stays. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform This can simply be given in a Microsoft Excel format that I would like to be uploaded to Google Docs.