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<br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 142 <br />3.6 Energy <br />ENVIRONMENTAL ISSUES <br />Potentially <br />Significant <br />Impact <br />Less Than <br />Significant <br />with <br />Mitigation <br />Incorporated <br />Less Than <br />Significant <br />Impact <br />No <br />Impact <br />a) Would the project result in <br />potentially significant <br />environmental impact due to <br />wasteful, inefficient, or <br />unnecessary consumption of <br />energy resources, during Project <br />construction or operation? <br /> <br />b) Would the project conflict with or <br />obstruct a state or local plan for <br />renewable energy or energy <br />efficiency? <br /> <br /> <br />3.6.1 Environmental Setting <br />Energy systems in California include electricity from renewable and non-renewable <br />sources, natural gas, petroleum, and other fuels. The production of electricity requires <br />the consumption or conversion of energy resources, including natural gas, coal, <br />hydropower, nuclear, and renewable sources such as wind, solar, geothermal, and <br />biomass/ cogeneration, into energy. Energy production and energy use both result in <br />the depletion of nonrenewable resources (e.g., oil, natural gas, coal, etc.) and emission <br />of pollutants. <br />According to the California Energy Commission, gasoline remains the dominant fuel <br />within the transportation sector, with diesel fuel and aviation fuels following. In 2016, <br />California consumed approximately 15 billion gallons of gasoline and approximately <br />3.35 billion gallons of diesel fuel. An increasing amount of electricity is being used for <br />transportation energy, which is chiefly attributed to the acceleration of light-duty plug-in <br />electric vehicles. In 2016, transportation in California consisting of light-duty vehicles, <br />medium/heavy-duty vehicles, trolleys, and rail transit consumed approximately 1.53 <br />million megawatt hours (CEC 2017). <br />The California Air Resources Board’s (CARB) On-Road Heavy-Duty Diesel Vehicles <br />(Truck and Bus) Regulation requires diesel trucks that operate in California to be <br />upgraded to reduce emissions. Lighter and older heavier trucks must be replaced <br />starting in 2015. By 2023 nearly all trucks would have 2010 model year engines or