Tanker trucks

Posted in Insightson Jan 20, 2009

Tanker Truck Refuels

Flickr Stock Photo

Why are there different types of gas (premium, regular, and super) but it seems like there is only one gas tanker?

Although the tanker truck looks like one big tank, inside it is actually subdivided into a series of smaller tanks carrying gasoline of different grades. When a tanker trunk refuels the gas station, it can deliver all three types of gas.

(photo credit)

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