Here’s a deal for Chase customers in New York City:

Enroll your Chase Debit and Credit Cards and get cash back on MetroCard® purchases at MetroCard Vending Machines and NYC Yellow Cab fares from January 1 to March 31, 2008.

Here’s how:
1. Enroll your Chase Card now
2. Use your enrolled Chase Card for MetroCard purchases at MetroCard
Vending Machines and NYC Yellow Cab fares
3. Earn $10 for every $150 you spend with your enrolled Chase Card

Note that PIN-based transactions do not qualify under this promotion. To enroll, see this link.