Ahh, you remember it, don't you? Sitting in the back of your family's station wagon as a kid, your father pulls up to the gas pump and a station attendant—an occupation about as extinct as the dinosaurs—came running out with a rag in his hand, leaned into the driver's window and said… "Diesel or unleaded?"
Those days are long gone. And I'm not just referring to the attendant. Nowadays, at least in the U.S., you can expect to find three things at a gas pump: self-serve, pay first, and unleaded gasoline only.
Misconceptions about diesel fuel being "dirtier" than unleaded gas several years ago ultimately led to diesel's obsolescence in the more environmentally progressive United States. Car companies began to manufacture cars that, for the most part, ran on traditional gasoline.
In response, however, steps were taken to improve the cleanliness of diesel and now major car companies have begun to sell diesel-powered vehicles to consumers once again.
by: Gina Sarento
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