Taxicabs of the United Kingdom the comic book "Hellblazer", Chas Chandler's job as a taxi driver is the basis for various plot elements of the series. The Knowledge, its runs, and to a certain extent the role of the PCO, form the basis for a future religion in Will Self's "The Book of Dave". The Taxi and Private Hire office is the body responsible for licensing taxicabs within Greater London. Taxi and Private Hire is part of Transport for London and is responsible for licensing the familiar London taxicab or "black cab" and also licenses private hire or minicab services. "Black cabs" were traditionally coloured
Hybrid taxi March 2008. The city of Boston launched the CleanAir Cabs program in April 2007. The program promotes replacing older fuel-inefficient cabs with hybrid and alternative fuel vehicles as the existing fleet ages out. The main benefit of the CleanAir Cabs program for cab drivers is the operating savings, as hybrid taxi cabs can get up to three times as many miles per gallon of fuel as the old Crown Victoria cabs. In addition, hybrid taxi drivers get two "front of the line" passes per shift at Logan Airport, allowing them to make two extra trips daily. Hybrid taxi owners who