According to the Colorado State University, a Technical Report presents facts and conclusions about designs and other projects. "Typically, a technical report includes research about technical concepts as well as graphical depictions of designs and data. A technical report also follows a strict organization."
For more information see CSU's Writing Guide: Engineering Technical Reports.
SAE Mobilus provides full-text access to the current SAE Standards, SAE Technical Papers from 1998 to current, and SAE journals and magazines from 2008 to current. SAE publications cover the latest advances and research in all areas of mobility engineering including ground vehicle, aerospace, off-highway, and manufacturing technology. Older SAE publications are indexed in SAE Mobilus but are not available full text. These may be requested through interlibrary loan.