Helps you understand older vehicles and classic cars
Explains how fuel-saving technology evolved
Shows how drivers used to manually control fuel efficiency
Great knowledge for car enthusiasts and vintage vehicle fans
Helps explain modern eco and electric driving modes
What the “E” on a Gear Stick Actually Meant
In older automatic transmissions, the “E” stood for “Economy.”
This setting allowed drivers to operate the vehicle in a fuel-saving mode designed to reduce gasoline consumption during everyday driving.
During the late twentieth century, fuel efficiency became a major concern due to rising oil prices and global fuel shortages. Car manufacturers introduced economy driving modes to help drivers conserve fuel without sacrificing mobility.
When drivers selected E (Economy Mode), the transmission behaved differently.
Instead of allowing the engine to rev high before shifting, the system would change gears earlier at lower RPMs. This reduced engine strain and helped minimize fuel usage.
The results were noticeable:
Lower engine noise
Smoother acceleration
Reduced fuel consumption
More relaxed driving style
However, it also meant the car would accelerate more slowly, especially during overtaking.
How Economy Mode Worked
