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City of Pleasanton <br />GHG Inventory, Forecast, and Targets Methodology and Calculations <br /> <br />50 <br />California has enacted multiple regulations that will reduce future local emissions. The impact of these <br />regulations on GHG emissions have been incorporated into an adjusted forecast, which provides a <br />more accurate picture of future emissions growth and the emission reduction the City and community <br />will be responsible for after State regulations have been implemented. These State regulations include <br />but are not limited to SB 100 (which sets a goal for reaching 100 percent electricity from renewable <br />energy and zero-carbon sources by 2045) and California Air Resources Board (CARB) tailpipe emissions <br />standards (Pavley Standards, Advanced Clean Cars Program).61 <br />Calculating the difference between the adjusted forecast and the reduction targets set by the City <br />determines the gap to be closed through City CAP policy implementation. Evaluating the percent <br />change in the adjusted forecast from 2017 levels shows that Pleasanton’s GHG emissions will decrease <br />approximately 13 percent (76,386 metric tons) by 2030. Emissions will continue to decrease through <br />2040 but at a slower rate. Between 2030 and 2040 emissions will only decrease by an additional 2 <br />percent, resulting in emissions being approximately 15 percent (85,842 metric tons) below 2017 levels <br />in 2040. This is due to expected reductions from current legislation reaching the end of their effective <br />lifetimes around 2030, particularly Title 24 and California’s vehicle efficiency standards. Emissions will <br />then begin to increase again after 2040, with expected population and job growth beginning to outpace <br />the GHG emissions reductions resulting from the SB 100 zero-carbon electricity goal in 2045. This will <br />lead to emissions being approximately 11 percent (63,994 metric tons) lower than 2017 levels in 2050. <br />Future State regulation may help offset this increase, but no long-term legislation has been adopted at <br />the time of this writing. The summary results of the adjusted future GHG emissions forecast are shown <br />in Figure 7 and provided within Table 36. <br />Figure 7 Pleasanton Adjusted Future GHG Emissions Forecasts by Sector <br /> <br /> <br />61 Refer to Section 4.2 of this Technical Appendix for the full list of State and federal legislation that was taken into account within the <br />forecasting model. <br />0 <br />100,000 <br />200,000 <br />300,000 <br />400,000 <br />500,000 <br />600,000 <br />2017 2020 2025 2030 2035 2040 2045 2050MT CO2eYear <br />Residential Electricity Nonresidential Electricity Direct Access Electricity Residential Gas <br />Nonresidential Gas Waste Water Wastewater <br />On-Road Passenger On-Road Commercial Off-Road Transportation