Turn right at the intersection

Two roads diverged in a wood, and I—
I took the one less traveled by,
And that has made all the difference.

-- Robert Frost

It is amazing what a seemingly indifferent choice can make. According to a recent article in the New York Times, last year UPS experimented with limiting the amount of left-hand-turns its drivers make when delivering packages. Though the difference between turning right or left at a fork in the road may not seem all that important, smart folks at UPS realized that left-hand-turns typically involves waiting for traffic lights to turn and vehicles to make their way through the intersection. Plus, the actual few feet extra distance it takes to make a left turn versus a right turn can add up, especially if you're UPS.

They fed the "no-left-turn" criteria into their package flow software and created new routes for their drivers. The result — the software helped the company shave 28.5 million miles off its delivery routes, which has resulted in savings of roughly three million gallons of gas and has reduced CO2 emissions by 31,000 metric tons.