After propane demand for drying crops in the upper Midwest surged and reduced inventories just before the start of winter last year, the season when it is most needed for heating purposes, more attention is now being paid to the level of supplies and related infrastructure.Last year, propane demand for drying crops in the upper Midwest surged just before the start of winter. As a result, propane inventories at distribution terminals were low before the winter heating season began. Combined with the extreme cold temperatures early in the winter, many livestock operations, particularly poultry, were impacted. Additionally, there were infrastructure and distribution problems such as pipeline maintenance and rail delivery delays that also reduc...