[Code of Federal Regulations] [Title 40, Volume 18] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR88.103-94] [Page 14] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 88--CLEAN-FUEL VEHICLES--Table of Contents Subpart A--Emission Standards for Clean-Fuel Vehicles Sec. 88.103-94 Abbreviations. The abbreviations of part 86 also apply to this subpart. The abbreviations in this section apply to all of part 88. ALVW--Adjusted Loaded Vehicle Weight CO--Carbon Monoxide HCHO--Formaldehyde HC--Hydrocarbon HDV--Heavy-Duty Vehicle LDT--Light-Duty Truck LDV--Light-Duty Vehicle NMHC--Non-Methane Hydrocarbon NMHCE--Non-Methane Hydrocarbon Equivalent NMOG--Non-Methane Organic Gas NOx--Nitrogen Oxides PM--Particulate Matter GVWR--Gross Vehicle Weight Rating LVW--Loaded Vehicle Weight TW--Test Weight TLEV--Transitional Low-Emission Vehicle LEV--Low-Emission Vehicle ULEV--Ultra Low-Emission Vehicle ZEV--Zero-Emission Vehicle [57 FR 60046, Dec. 17, 1992. Redesignated and amended at 59 FR 50074, Sept. 30, 1994]