Source Library

Supporting Documentation

Review the available reports, correspondence, summaries, and technical materials used to support the DX1 website and environmental impact model.

AllLaboratory TestingFleet TestingRegulatory ReviewTechnical TestingInternational TestingMining OperationsImpact Model
Laboratory Testing1994

CEE Laboratory California Testing Report

Emissions Test Report

Core laboratory evaluation documenting emissions and fuel economy performance under California conditions.

Regulatory Review2004

California Air Resources Board — Initial Review

Regulatory Document

Initial ARB review correspondence regarding D-1280X product classification and testing record.

Regulatory Review2012

ARB Regulatory Clarification Letter

Regulatory Document

Final regulatory clarification addressing product scope and documentation requirements.

Fleet Testing1988

American President Lines Fleet Study

Fleet Study

Commercial port equipment testing data from jockey tractors and generator sets.

Fleet Testing1994

LAX Airport Shuttle Bus Testing

Fleet Study

Shuttle bus fleet data with significant smoke opacity reduction documentation.

Mining Operations1995–2000

Mining Operations Diesel Report

Industrial Data

Heavy-duty equipment diesel consumption and CO₂ output in industrial mining operations.

International Testing2017

International Vehicle Field Testing

Field Study

Field-use reference data from 20+ international vehicles across multiple markets.

Technical Testing1995

Southwest Research Institute Analysis

Technical Study

Independent technical evaluation of synthetic ester behavior and lubrication properties.

Impact Model2024

Impact Model Methodology Document

Methodology

Full explanation of model approach, formula derivations, assumptions, and adoption curve methodology.