In the recent years - the major gain in logistical efficiency have come from which one of the following? 

1. Advances in Information Technology

2. Reduction in petroleum prices

3. Fast order processing

4. Increase in production of commercial vehicles 

Logistical efficiency pertains to the process of how effectively a business conducts operations. This relates to all areas of the operation that include transportation, warehousing, and overall distribution in general. A business with good logistics can keep track of product shipments and move products or information quickly to the correct locations. 

1. A customized information management system has maximum contribution in an efficient logistical system as it benefits the business in a range of areas including warehouse management, supply chain management, order tracking, inventory management, and accurate delivery of customers’ orders. 
2. Automating the business process using proficient software technologies helps to increase the efficiency of business management and helps to achieve higher productivity and it also reduces the overall cost of running a company. In logistics management, the business process software plays a major role.
3. It not only provides real-time updates regarding the procurement, delivery, and availability of the goods but also helps to maintain the accounts and employee details using the software.
4. This saves a great amount of time because manual interference is reduced.

Therefore, In recent years - the major gain in logistical efficiency has come from advances in Information Technology.