a draft revision for regulations on fuel economy and rating label of motor vehicles. 129 pages available in korean a draft revision for regulations on fuel economy and rating label of motor vehicles 9702 clarification of definition of vehicle model to measure fuel economy - the definition of vehicle model will be revised to reduce ambiguity. 9702 introduction of definition and procedure for road-load coast-down testing - provisions for road-load coast-down testing will be introduced to supplement inadequate testing procedures. 9702 adjustment of tolerance and number of vehicles applied to in-service conformity checks - tolerance applied to the in-service conformity checks for fuel economy will be reduced from -5 to -3 - the number of vehicles at the first test for in-service conformity checks will be decreased from three to two units and - selection criteria for in-service conformity checks will be specified. 9702 adjustment of frequency of regular validation on the in-house test facilities from two years to three years - the frequency of the regular validation on the in-house test facilities will be adjusted to relieve the burden on manufacturers. 9702 introduction of provisions for manufacturers to lower declared fuel-economy values. - manufacturers can report city and highway fuel economy values with lowering measured ones by u to 2 to take into account measurement deviation. 9702 correlation exercises between certified testing agencies test facilities and manufacturers in-house test facilities - correlation exercises between certified testing agencies test facilities and manufacturers in-house test facilities will be performed every two years to ensure uniform fuel economy test results. 9702 expanded public release of information on vehicle fuel economy - the pre-check results in-service conformity check results and vehicle fuel economy analysis will be released to provide consumers with more detailed information. 9702 revision of fuel economy calculations to reflect test fuel properties - fuel economy calculations will be revised so that it reflects test fuel properties such as carbon weight fraction specific gravity and net heating value. 9702 clarification of test fuel and tire pressure - criteria for test fuel and tire pressure applied to the fuel economy test will be clearly provided. 9702 introduction of fuel economy test methods labels and declaration forms for plug-in hybrid vehicles and hydro fuel cell electric vehicles - fuel economy test methods labels and declaration forms will be added for newly developed vehicles.