Changchun Dongfeng Single-Cab Sewer Cleaning Truck (Blue License Plate, 5 m³) Government Procurement Case: In-Depth Cost and Performance Comparison Between Fuel-Powered and Electric Variants In Northeast China—especially in frigid cities like Changchun—municipal sanitation departments face unique challenges in sewer cleaning operations. Low winter temperatures not only hinder vehicle starting but also severely impact hydraulic systems, pipelines, and overall operational efficiency. Recently, a municipal sanitation department in Changchun conducted a tender for the Dongfeng single-cab sewer cleaning truck (blue license plate, 5 m³). This case reflects grassroots units’ urgent demand for high-efficiency sewer cleaning equipment and reveals significant differences between fuel-powered and battery-electric variants in terms of cost, performance, and environmental adaptability under China’s 'Dual Carbon' goals. This article takes this case as a starting point and provides an in-depth analysis across dimensions including cost comparison, application scenarios, charging infrastructure requirements, and Chengli Special Purpose Vehicle’s electric solution—offering practical reference for government procurement and bid proposal design. I. Case Background and Procurement Requirements This municipal sanitation department is responsible for sewer cleaning operations across multiple main roads and alleys in Changchun City. Following local procurement practices, the department plans to procure approximately five units of the Dongfeng single-cab sewer cleaning truck (blue license plate, 5 m³), with a total budget capped at approximately RMB 2.44 million. Core requirements focus on: - Cold-weather start reliability: The vehicle must reliably start at -30°C, with stable hydraulic system operation. - Low-temperature hydraulic stability: Hydraulic oil viscosity changes must not impair actuation of critical components such as the cleaning boom and suction pump. - Emissions and environmental compliance: Must meet China VI emission standards, while aligning with future new-energy policy direction. Chengli Special Purpose Vehicle Co., Ltd. (hereinafter referred to as "Chengli")—a leading domestic manufacturer of special-purpose vehicles—has previously delivered similar models to this region. Its Dongfeng single-cab sewer cleaning truck (blue license plate, 5 m³) model (chassis sourced from Dongfeng) stands out due to its complete official certification, transparent configuration, and comprehensive after-sales service support—making it a key candidate for evaluation in this procurement. II. In-Depth Cost and Performance Comparison: Fuel-Powered vs. Battery-Electric Variant To meet the department’s long-term operational needs, we compared the fuel-powered variant (reference model: Chengli CLW5070GSSD6, Dongfeng chassis, 5 m³ tank) and a hypothetical battery-electric variant (developed on the same chassis platform) across acquisition cost, operating cost, maintenance cost, and winter performance. Table 1: Comparative Analysis of Dongfeng Single-Cab Sewer Cleaning Truck (Blue License Plate, 5 m³) in Changchun — Fuel-Powered vs. Battery-Electric Variant Comparison Dimension Fuel-Powered Variant (Reference CLW5070GSSD6) Battery-Electric Variant (Based on Same Chassis Platform) Estimated On-Road Price (Including Tax) Approx. RMB 280,000–350,000 per unit (based on publicly available tender data for comparable blue-license-plate 5 m³ sewer cleaning trucks) Approx. RMB 380,000–500,000 per unit (estimated based on local procurement practice and current battery cost) Annual Operating Cost (20,000 km/year) - Fuel cost: Approx. RMB 25,000–35,000/year (diesel price: RMB 8/L; fuel consumption: 12 L/100 km) - Maintenance cost: Approx. RMB 5,000/year (oil, filters, etc.) - Total: Approx. RMB 30,000–40,000/year - Electricity cost: Approx. RMB 6,000–10,000/year (commercial electricity rate: RMB 1.2/kWh; energy consumption: 40 kWh/100 km) - Maintenance cost: Appr