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EV, power for refineries

83% generated out of basis.  NOx would be zero for electric power generation.

3.4  Petroleum Fuels

Diesel and LPG are produced from crude oil.  These fuels, along with gasoline and other refinery products, share the same crude oil feedstock and therefore the same extraction and feedstock distribution paths (LPG, however, can also be produced from natural gas).  Table 3-5 summarizes the 8 phases for conversion of crude oil to diesel and reformulated diesel.

Table 3-5:  Diesel Production and Distribution Phases

Phase

Process

Emission Sources

1

Extraction

Heaters, pumps, fugitive

2

Transport

Pipeline (pumps), ships (engines), fixed roof storage tanks

3

Refining

Fugitive emissions, refinery heaters

4

Site storage

Refinery tanks

5

Transport to bulk storage

Pipeline (pumps & fugitive)

6

Bulk storage

Floating roof diesel tanks

7

Transport to local station

Tanker trucks (engines & fugitive)

8

Local station distribution

Underground tanks, refueling vapors, spills

3.4.1  Crude Oil Extraction

Crude oil for refineries in the SoCAB is produced from offshore and underground wells in the southern coast and San Joaquin Valley.  Heavy crude from Kern County represents a large share of this product.  Oil is also imported by tanker from Alaska and overseas.  Table 3-6 shows the assumptions used for geographically allocating emissions to petroleum extraction and transport.

Table 3-6:  Petroleum Extraction for SoCAB Use

Feedstock Location

% of Volume

Average

   South Coast (SC

9

   California (CA)

29

20

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