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6 <br />stringent fuel economy standards that require exhaust emissions for new <br />vehicles to drop from 301 g CO2e/mile in 2009 to 213 g CO2e/mile in 2015 (and <br />further to 205 g CO2e/mile from 2016 onwards). These standards help keep our <br />emissions lower even as our VMT increases. Beyond that, CARB has a rebate <br />program that encourages purchases and leases of electric vehicles because they <br />have the highest potential to reduce passenger vehicle emissions. San Leandro <br />residents have purchased 368 such vehicles through CARB’s rebate program to <br />date. <br /> <br />Commercial and Industrial Energy <br />Commercial and Industrial energy emissions are caused by combustion of <br />natural gas within city boundaries and procurement of electricity from PG&E for <br />non-residential users. While the electricity data and commercial natural gas <br />usage is available from PG&E, the industrial natural gas usage was not available <br />for 2015 due to privacy restrictions2. Instead, industrial natural gas usage for <br />2015 was modeled using available industrial gas data from 2009-2013. <br />Commercial and industrial energy usage accounts for 23% of community <br />emissions. This share is smaller than in previous years, in part because of a <br />decrease in emissions within this sector and partially due to a relative increase <br />in emissions from the transportation sector. <br /> <br />Emissions from commercial and industrial energy have dropped steadily since <br />2005 and continued to drop after the recession to 142,883 MT CO2e in 2015. <br />Emissions are now 29% lower than they were at baseline. This decrease is <br />mostly attributable to a drop in usage, likely from energy efficiency measures <br />installed by San Leandro’s largest industrial companies. The 2015 inventory <br />shows a 28% reduction in natural gas usage (and 28% reduction in CO2e) and <br />19% reduction in electricity usage (29% reduction in CO2e) since 2005. The <br />remaining difference with CO2e emissions is attributable to a PG&E’s increased <br />sourcing of renewable energy since 2005. <br /> <br /> <br />Residential Energy <br />Emissions from residential energy, like commercial and industrial energy, are a <br />result of the use of electricity and natural gas. PG&E aggregates and provides all <br />data. <br /> <br /> <br />2 PG&E adheres to the 15/15 Rule adopted by the California Public Utilities Commission <br />requiring aggregated information be made up of at least 15 customers and any single <br />customer’s load must be less than 15% of that category. <br /> 60,000 <br /> 70,000 <br /> 80,000 <br /> 90,000 <br /> 100,000 <br /> 110,000 <br />2000 2005 2010 2015 2020MT CO2eCommercial and Industrial <br />Emissions by Source, 2005-2015 <br />Nautral Gas Electricity <br /> - <br /> 20,000 <br /> 40,000 <br /> 60,000 <br /> 80,000 <br /> 100,000 <br /> 120,000 <br /> 140,000 <br /> 160,000 <br /> 180,000 <br />Light <br />Trucks <br />Passenger <br />Cars <br />Heavy <br />TrucksMT CO2eOn-Road Emissions by Fuel <br />Type, 2015 <br />Gas Diesel <br />32