Vehicle and Engine Certification

General Motors (GM) Compliance Materials for Light-Duty Greenhouse Gas (GHG) Standards

This page provides GM compliance materials for Light-Duty GHG standards.

Test Results for GHG Credit Request for Variable Crankcase Suction Valve Technology

General Motors Attachment A to GHG Credit Request for Variable Crankcase Suction Valve Technology: SAS Bench Test Results (XLS)(1 pg, 549 K, March 2015)
General Motors Attachment C to GHG Credit Request for Variable Crankcase Suction Valve Technology: Cadillac ATS Compressor AC17 Tests (XLS)(1 pg, 30 K, December 2014)

Requests for Off-Cycle GHG Credits

EPA Decision Document for Fiat Chrysler Automobiles, Ford Motor Company, and General Motors Corporation (PDF)(19 pp, 355K, EPA-420-R-14-025, September 2014)

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General Motors Request for 2010-2013 MY Off-Cycle GHG Credits Based on Alternative Methodologies (PDF)(2 pp, 77 K, June 2016)
General Motors Attachment A: Descriptions of Methodologies Used in the Credit Request (PDF)(11 pp, 380 K, June 2016)
General Motors Request for GHG Credit for Variable Crankcase Suction Valve Technology (PDF)(7 pp, 93 K, December 2014)
General Motors Attachment B to GHG Credit Request for Variable Crankcase Suction Valve Technology: Denso Presentation to EPA, April 2013 (PDF)(17 pp, 1 MB, April 2013)