Patent attributes
Methods, including service methods, articles of manufacture, systems, articles and programmable devices are provided for charging a travel fee as a function of an ease of access to a travel option. A plurality of travel options is provided and ranked as a function of different environmental-friendliness values. Each of a plurality of different rates are set for each of the travel options, the rates set progressively lower as a function of a ranking of the travel option environmental-friendliness values. In response to a traveler selecting and using one of the travel options, an ease of access of the traveler to the selected travel option is determined and a travel fee charged as a function of the rate set for the selected travel option and the determined ease of access of the traveler to the selected travel option.