ACoyle,
I am currently in Mexico. I filled up yesterday at 6. 02 pesos per liter. The exchange rate at the bank today was 10. 3 pesos per dollar. According to my calculator this works out to be $2. 209/ gal . The weak dollar has recently caused the exchange rate to drop ( fewer pesos per dollar ) causing the price (in dollars) to rise. I have been buying diesel fuel in Mexico for 10 years and this is the highest I have ever seen it. Both in dollars and pesos.