Peterbilt Motors Co. announced the availability of its new Cummins X15N natural gas engine on Models 579, 567 and 520.

With petroleum fuel prices at their lowest in recent history, the cost of being “green” has been driven higher than ever. Like any technology, green technology must pass the return-on-investment (ROI) test to justify its purchase. Altruistic or community relations have motivated some fleets to invest in the technology, but many fleets insist on a measurable ROI before investing.

As the year begins to wind down, it’s time to look at the factors that are likely to have a significant effect on beverage fleet operations in 2014.