The ExxonMobile Smart Card, a chip-embedded gas-only card that is coming out later this year, will allow card holders to earn a six-cents-per-gallon credit on up to 100 gallons in each billing cycle.

WSJ: Gas Credit Cards Offer Few Rewards

As in Europe, where no transaction can happen without a PIN code and a smart (chip) card.

FORBES: An European In New York - A Story Of Convenience Versus Security

In Moscow old-age pensioners carry a chip-based smart card from Visa that acts as a subway pass and id card and affords them discounts at pharmacies.

FORBES: Magazine Article

The "smart card, " packing an electronic chip, can store everything found in a wallet or purse, a hospital record, a family tree, a university transcript - indeed, much of the detail that points to who a person is.

CNN: ASIANOW - Asiaweek

PC, funds or travel tickets can be downloaded to the chip without the need for a special smart-card reader.

ECONOMIST: MONITOR