UPS has saved more than 10 million gallons of gas by telling their drivers not to turn!
In 2004, UPS asked their drivers to do something that seems a little strange: Don't make a left turn unless it's absolutely necessary. Turns out, UPS engineers had been studying that since 2001, and realized that the most significant cause of idle time was caused from drivers making left turns.
What they did was design new routes which maximized the efficiency of package delivery by making a series of right-turn loops. This development has led to UPS saving more than 10 million gallons of gas since 2004, and reducing carbon emissions by 100,000 metric tons, or the equivalent of 5,300 cars being off the road for a year.
