Scientific analysis, design, development, testing, inspection, and engineering services in the nature of technical assessment, product modeling, prototyping, and simulation to support the development, maintenance, operation, and production of land transportation vehicles, namely, on-road and closed course environmental testing of automotive vehicles, parts, and components utilizing on-board data collection systems to assess, record, and provide technical consultation and product recommendations concerning the design, functionality, and operating parameters of automotive vehicles, components, parts, and systems; mechanical engineering services; vehicle roadworthiness testing; technological and engineering advisory and information services in the nature of preparation and provision of technological and engineering reports and assessments relating to automotive engineering, fuel economy, control systems operations, emissions certification, and vehicle durability, performance, and operational diagnostics