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Property, Plant and Equipment, Net
6 Months Ended
Jun. 30, 2011
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment, Net
Property, Plant and Equipment, Net
Property, plant and equipment, net consisted of the following:


 
June 30,

2011
 
December 31,

2010
Refining facilities
$
1,690,097


 
$
1,628,039


Pipelines and terminals
40,737


 
40,686


Retail
140,198


 
137,771


Other
18,089


 
16,773


Property, plant and equipment, gross
1,889,121


 
1,823,269


Less accumulated depreciation
(377,019
)
 
(334,737
)
Property, plant and equipment, net
$
1,512,102


 
$
1,488,532


The increase in refining facilities at June 30, 2011 is mainly due to the investment in the integration of the hydrocracker unit in Bakersfield, California.