How to request a DOT number

Cargo partitions play an important role in protecting vehicle occupants, but what performance standards apply? This article examines regulatory guidance related to cargo partitions, reviews comparable industry...

Equipment installations can unintentionally interfere with required vehicle lighting, creating potential compliance and safety concerns. This article explains how Federal and Canadian lighting standards apply when body...

Advanced driver assistance systems (ADAS) are becoming increasingly common on commercial vehicles, creating new considerations for upfitters. This article explores how OEM guidance can help address sensor placement...