While it won't have quite the same effect that, say, converting its entire fleet to hybrids or all-electrics would have, UPS is apparently taking some steps to improve the efficiency of the 95,000 trucks it has on the road, including using software to cut down on the number of left-turns its drivers make. As The New York Times reports, in addition to improving the packing and sorting of its cargo, UPS's so-called "package flow" software program also maps out the best possible route for each of its drivers, which UPS says cuts down significantly on the time they would otherwise spend idling while waiting to make a left-hand turn. According to UPS, those improved maps helped it shave some 28.5 million miles off its delivery routes last year, which translates to a 31,000 metric ton cut in CO2 emissions, not to mention a savings of about three million gallons of gas.

[Via Slashdot]

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