Core Insights - Volvo Trucks is conducting rigorous hot-weather testing for its new flagship model, the Volvo VNL, in extreme temperatures reaching 120 degrees Fahrenheit across various challenging terrains in North America [1][2][3] Testing Conditions - The testing locations include the deserts of Arizona, Nevada, and California, where temperatures often remain in the mid-110s, and trucks are subjected to steep grades and heavy loads [2][3] - One of the most demanding evaluations is the "hot shutdown," where trucks are driven up a 10-mile grade in extreme heat, then turned off at the summit to assess the engine's performance under high-temperature conditions [3][17] Performance and Reliability - The hot-weather testing aims to ensure that all systems, including powertrain, cooling, and air conditioning, can endure prolonged heat and steep inclines, thereby validating the truck's reliability [3][5] - Data collected during these tests, combined with driver feedback, is used to refine the Volvo VNL's design, ensuring it meets high standards of durability, comfort, and safety [5][6] Climate Control Features - The Volvo Parking Cooler is being monitored to ensure it effectively maintains a comfortable cab climate during rest breaks without idling the engine, contributing to fuel efficiency and driver safety [4][6] Commitment to Diverse Conditions - The testing in both extreme cold and heat underscores Volvo Trucks' commitment to building vehicles that perform well in all of North America's diverse environments, inspired by various American biomes [6][10]