With the cost of petrol constantly increasing, we’re all looking for ways to reduce the amount we spend on petrol. It’s easy to say “drive less,” but that’s not always possible. Signing up for a petrol rewards credit card may be the best option to offset the expensive price of gas. Citibank, international financial services company, has partnered with BP, one of the world’s largest energy companies, to offer the Citibank BP MasterCard, a petrol rewards credit card that gives incentives for petrol and other purchases.