Disclaimers
"By “verify,” ETV means to establish the performance of a technology (i.e., confirm, corroborate, substantiate, validate). ETV verification does not imply approval, certification, or designation by EPA, but rather provides a quantitative assessment of the performance of a technology under specific, predetermined criteria or protocols and adequate data quality assurance procedures."
"The ( VDRP) Verification Program evaluates technologies to support their use in the market while providing customers with confidence that verified technologies will provide emission reductions as listed. This Verification process evaluates the emission reduction performance of retrofit technologies, including their durability, and identifies engine operating criteria and conditions that must exist for these technologies to achieve those reductions."
"Mention of commercial product names does not imply endorsement or recommendation"
Read more about this topic: Environmental Technology Verification Program