Changes

Leaded gasoline was largely replaced decades ago for environmental concerns.

Leaded gasoline was largely replaced decades ago for environmental concerns.

Some stations also sell diesel gasoline, which has been common in trucks and at one time Mercedes vehicles.

[[File:Gas-price.jpg|thumb|380px|trends in pump price in USA, in 2009 dollars]]

At one time, such as back in the 1950s, gas stations were full service.  The trend that spread from the 1970s was towards self service, which is the most common type today.  There are still pockets on the east coast that are mostly full service.

Some stations also sell diesel gasoline, especially for large trucks. Diesel engines are more efficient, but are cumbersome (for example, they are hard to start).

 

In the 1950s, gas stations were full service.  The trend that spread from the 1970s was towards self service, which is the most common type today.  There are still pockets on the east coast that are mostly full service.

Many gas stations have a convenience store that sells common automobile products, cigarettes, and food items.  A large amount of the profit from gas stations come from the convenience stores.  Some gas stations also have automotive repair shops.

Many gas stations have a convenience store that sells common automobile products, cigarettes, and food items.  A large amount of the profit from gas stations come from the convenience stores.  Some gas stations also have automotive repair shops.

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[[Category:Business]]

[[Category:Business]]