The problem for CARB was the gas vapors that escaped into the air, equivalent to ... the deadline for California gas stations to install new and cleaner pump nozzles or potentially close up ...

When you're filling up at the gas station, have you ever wondered how the gas pump knows when to shut off? Hint: It's not ...

The California Air Resources Board ruled nine years ago that gas pumps would have to be ... of gas retailing and high cost of the nozzles has made stations owners reluctant to spend the money.