In its second quarter ending Feb. 29, Greenbrier Companies, Inc. expanded its lease fleet and secured new railcar orders, the Oregon-based freight transportation provider announced April 5. The company located in Lake Oswego said it was able to grow its lease fleet by 500 units to 14,600 with almost 99% of the fleet in steady use. Greenbrier also brought in 5,900 units of new railcar orders valued at nearly $690 million and delivered 5,600 units, resulting in a new railcar backlog of 29,200 units worth roughly $3.6 billion, the company said. Greenbrier’s net earnings for the quarter were $33 million…