Differential Fare : A charge for a trip that varies according to the time of day, direction, distance, or other characteristic of the ride or surrounding circumstance
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}