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If you hailed a cab a few years ago, your choice was limited to a Ford Crown Victoria or Chevrolet Caprice. Things have changed a bit since then: In addition to credit card machines and annoying screens in the backseat that dispense the news and weather (plus possibly more hi-tech features to come!), there are now more than a dozen different taxi models roaming the streets, many of which have been introduced in recent months as part of a plan to make the city's fleet of yellow cabs more green. An (incomplete) overview of your options—thanks to photographer SoCalMetro—can be seen by clicking on the image above.