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Transportation Like the majority of jurisdictions in the Bay Area, the majority of the Pleasanton's community emissions are generated from travel by motorized vehicles. As Table 1 and Figure 1 show, 64.6 % of the City's estimated emissions came from travel on local city roads and State highways. Overall, emissions from the transportation sector total 525,650 metric tons CO,e. "fable 2 separates emissions from the transportation sector into travel on local road and state highways. In 2005, MTC estimated that 427.1 million vehicle miles traveled (VM"I') occurred on City of Pleasanton roads, emitting approximately 236,554 metric tons of COze, or 45.0% of total emissions from the transportation sector. The nearly 522 million vehicle miles traveled along state highways in the City accounted for 289,096 metric tons of COze, or 55.0% of total emissions from the transportation sector. Local Roads 2005 VMT data was obtained from CalTrans, which compiles and publishes statewide VM'f data annually through the Highway Performance Monitoring System.' CalTrans obtains local roads VMT data from regional transportation planning agencies and councils of governments across the state. For the San Francisco Bay Area, CalTrans obtains data from the M"I'C. MTC obtains data on local roads VM"I' either from the local governments within its jurisdiction or, if that data is unavailable, through a CalTrans model. County level State (-lghways Vehicle Miles "Traveled 2005 data was obtained from the same CalTrans report listed above. This data was translated to the jurisdiction level data through a GIS analysis by ICLEI using an unpublished CalTrans dataset that was obtained from M"CC. The number of vehicles on the road, and the miles those vehicles travel, can be reduced by making it easier for residents to use alternative modes of transportation, including walking, bicycling, and riding public transportation, including the existing and new BART stations in the Dublin/Pleasanton area. Please see the appendices for more detail on methods and emissions factors used in calculating emissions from the transportation sector. Table 2 - Transnortcrtion UHC f:'rnissions by Road "Type rransportauon ttoan type Local Roads Jiare TOTAL Emissions Sources 2005 Highways COze metric tons 236,»4 289,096 525,650 Percent of Total COZe 45.0% 55.0% 100% Total Vehicle Miles Traveled 427,104,750 521,970,440 949,075,190 Tlee Built Environneeut (Residential, Commercial, Industrial) In 2005, 30.4 % of total community wide emissions came from the built environment, which is comprised of residential, commercial and industrial sectors (Figure 1). Collectively, these sectors consumed about 61 L6 million kWh of electricity and 20.6 million therms of natural gas, resulting in approximately 246,868 metric tons of COZe. The City of Pleasanton receives its electricity from PG&E. The 2005 emissions coefficients for electricity provided by PG&E are included in Appendix B. The types of power sources that make up a utility's electricity generation mix have a significant impact on a city's greenhouse gas emissions. A coal fired power plant, for example, releases 1.3 tons of CUze per megawatt-hour of electricity generated 'The 2005 report is available at: http://www.dot.ca.gov/hq/tsip/hpms/hpmslibrary/hpmspdf/2005PRD.pdt: 2005 Q-eenhatse C3as 6rissioris Ir~entory, Qtyaf Reasarlton 7