Patent ID: 7979292

Claim:
A method for charging a travel fee as a function of an ease of access to a travel option, comprising: providing a plurality of travel options, each of the travel options having a different environmental-friendliness value; ranking each of the plurality of travel options from highest to lowest as a function of the different environmental-friendliness values; setting each of a plurality of different rates for each of the plurality of travel options, the rates set progressively lower as a function of the highest-to-lowest ranking of the environmental-friendliness values of the travel options; the traveler selecting and using one of the plurality of travel options; determining, via a programmable device, an ease of access of the traveler to the selected one of the travel options; and charging, via a programmable device, a travel fee to the traveler for the selected travel option use 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.