http://www.nyc.gov/html/tlc/html/pas...cab_rate.shtml

For a trip to Newark Airport the fare is:

the amount shown on the taximeter using Rate Code 3 which includes a surcharge of $17.50; and all necessary tolls to and from the destination shall be paid by the passenger.

http://www.panynj.gov/airports/ewr-t...n-service.html

Sample Fares from Newark Liberty International Airport:
To New York City/Manhattan
Battery - W 23rd St.
W 24th St. - W 58th St.
W 59th St. - W 96th St.
W 97th St. - W 185th St.
Above W 185th St.
$50
$55
$60
$65
$70