A Technical Report of the 1975 Union 76 Fuel Economy Tests

Union Oil Company of California tested 106 new 1975 domestic and foreign vehicles for on-the-road fuel economy using the Fuel Economy Measurement - Road Test Procedure - SAE J1082. This paper gives the results of the test and discusses vehicle selection, procurement, break-in, tune-up, instrumentation description and development, track procedure, and driver techniques. Each of the vehicles was tested for emissions following the 1975 CVS-CH Federal test procedure as specified by the Environmental Protection Agency. Included in the results are fuel economy figures for the three SAE J1082 cycles, as well as fuel economy figures obtained from the EPA dynamometer procedures. Complete vehicle specifications and emission figures are shown.