The document provides information on calculating fuel consumption and rental costs for Doosan excavators, including weekly rental costs, fuel consumption rates for different driving modes (Standard, Eco, Speed Limited), and other potential unexpected costs like repairs. It notes that hourly rates, end-of-contract charges, and a supplier's list of frequently damaged items should be considered. The document also describes technology in Doosan's G2 engine that reduces fuel consumption and emissions without a diesel particulate filter, making it more efficient and environmentally friendly.