- Faster and Hotter: Commercial Vehicle Market Calls for Harsh Environment Resistant Components May 12, 2016 Stricter emissions requirements are driving a lot of changes for commercial vehicle (CV) OEMs that are in turn escalating the need for components that are resistant to harsh environments. OEMs are redesigning engines that reduce emissions and those designs have a material impact on the considerations they must give to a number of different exposure factors, including temperature, vibration, and exposure to moisture or chemicals.