Software: 2000-02-10 Differences Between MVEI7G 1.0 and MVEI7G 1.0 Corrected Models
This page last reviewed April 15, 2010
LIST OF CHANGES IN MVEI7G1.0 Corrected (July 1998)
and MVEI7G1.0 Corrected (February 2000)
1) ACTIVITY (Updated February 1999)
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Vehicle |
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1970 - 1989 |
* |
Same as 7G (July, 1998) |
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1990 - 2020 |
* |
Updated Based on Latest DMV Year-End Report |
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* |
Distribution to Classes as in 7G Documentation |
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* |
LDV Forcast Based on Latest Department of Finance |
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* |
HDT Forecast Based on Various Caltrans MVSTAFF Reports (Table 1) |
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| VMT and Starts |
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1970 - 1989 |
* |
Same as 7G July 1998 (All Counties) |
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1990 - 2020 |
* |
New Data for SJVAB (Fresno, Kings, Stanislaus and Tulare) (December 1998) |
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* |
SACOG (MCAB - El Dorado, MCAB - Placer, SVAB - Placer, SVAB - Sacramento,
SVAB - Yolo) |
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* |
1994 - 2015 Data for SCCAB - Santa Barbara |
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* |
Same Data as 7G (July 1998) for SDAB, SFAB, SCAB, SJVAB (Kern, Madera, Merced, San Joaquin) |
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* |
For the Rest of Counties: VMT = MVSTAFF, STARTS = VEH*START RATE |
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* |
HDT VMT (1980-2020) Based on Caltrans Truck Kilometers of Travel Reports and MVSTAFF |
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| 2) Corrections to the "Fuel Consumption" |
| 3) Corrected "No I/M" option when running the model. |
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LIST OF CHANGES BETWEEN MVEI7G 1.0 Corrected (July 1997)
and MVEI7G 1.0 Corrected (July 1998) |
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1. |
EMFAC Report Table 8 -- Evaporative Running Losses -- Revised to include light-heavy gas (LHG) and medium-heavy gas (MHG). (Dated June 10, 1998) |
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2. |
Revised activity data for Classes 7 and 8 (HDG and HDD) for years 1981 - 1989. (July 23, 1998) |
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3. |
Smooth out the 1980 - 1990 heavy-duty truck activity to better reflect the diesel fuel sales. |
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LIST OF CHANGES IN MVEI7G 1.0 (October 1996 Version)
and MVEI7G 1.0 Corrected (July 1997) |
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1. |
Corrected program to set PM and fuel flag. |
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2. |
Corrected program for model year runs. |
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3. |
Changed logic in front end for option to run EMFAC only and standard report. |
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4. |
Corrected BRCOUNTY file which had error in LA SEDAB. |
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5. |
Revised activity data for SFAB per District's submittal. |
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6. |
Revised activity data for SD per SANDAG submittal. |
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7. |
Revised activity data for Fresno (SJV) per COG's submittal. |
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8. |
Revised activity data for Kern (SJV) per COG's submittal. |
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9. |
Corrected pre-1966 model year base rates. |
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10 |
Corrected BRCOUNTY to correct I/M phase-in for some counties that have start dates of 1991 or 1992. |
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11 |
Corrected light-duty trucks (LDT) evaporative emission rates. |
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12 |
Adjusted evaporative emission rates for zero-emission vehicles (T2). |
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13 |
Modified cycle correction factors. |
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14. |
Modified high emitter correction factors. |
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15. |
Adjusted I/M implementation dates. |
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16. |
Corrected minor errors in the BURDEN output. |
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17. |
Corrected temperature correction factors for winter rates (50 deg F). |
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