7U.S. Environmental Protection Agency. EPA 40 CFR 79 Control of Air Pollution From Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards; Proposed Rule[S]. Washington: EPA, 2000:668-681.
8The United Nations Economic Commission for Europe. ECE R83-05 Uni- form Provisions Concerning The Approval of Vehicles With Regard to The Emission of Pollutants According to Engine Fuel Requirements[S]. Ger- many: UNECE, 2001: 24-62.
9U.S. Environmental Protection Agency. CFR Title 40 PART86 Control of Emissions From New and in-USE Highway Vehicles and Engines [S]. Washington: EPA, 2005: 168-184.
10HOSIER R. Mobile Air Conditioning (MAC) Test Procedure Development [EB/OL]. (2010-06-08) [2010-10-07]. http://www.uneee.org/filead- mirgDAM/trans/doc/2010/wp29grpe/MACTP-O1-03e.pdf.