Transportation: Emissions Analysis
College Owned Vehicle
In 2007, the College owned 102 vehicles:Table 1. Categories of college-owned vehicles.
| Vehicle Category | Description | Number of Vehicles |
| Facilities Fleet | 65 | |
| Registered Vehicles | Trades Fleet, Recycling Truck | 43 |
| Unregistered Vehicles | Grounds Fleet - lawnmowers, etc. (primary consumers of diesel) | 22 |
| College Rental Fleet | Cars and Vans for Student, Faculty, and Staff travel | 21 |
| Departmental Vehicles | Center for Economic Development, Center for Environmental Studies, OIT, Central Office Services | 6 |
| Security | 4 | |
| Dining Services | 4 | |
| Student Services | Center for Community Engagement, Outing Club | 3 |
In FY 2007, registered college-owned vehicles were driven more than 750,000 miles, representing 13% of the total miles traveled for Williams-related business, excluding air travel (Table 2). Mileage was recorded for the Facilities Fleet, College Rental Fleet, and Dining Services vehicles. Fuel usage was measured for Security, Student Services, and departments with vehicles; distance traveled was calculated based on fuel consumed in 2007 and an assumption of 25 mpg except for Dining Services, for which we assumed 10 mpg.
Table 2: Total miles, fuel consumption and estimated emissions, college-owned vehicles in FY 2007.
| Campus and local travel | Fleet | Miles | Fuel consumption(gallons) | C02 emissions (tonnes> |
| Facilities Fleet (Registered Vehicles) | 232,019 | 29,371 | 222 | |
| Facilities Fleet (Unregistered Vehicles) | - | - | 46 | |
| Security | 173,875 | 6,995 | 61 | |
| Dining Services | 15,700 | 1,570 | 15 | |
| Student Services | 3,516 | 478 | 4 | |
| Other Departments | 5,780 | 1,640 | 14 | |
| Off Campus Travel | College Rental Fleet | 322,769 | 15,775 | 139 |
| Total | 753,659 | 55,829 | 501 |
Emissions produced by Campus Owned Vehicles in Fiscal Year 2007