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Property, Plant and Equipment
3 Months Ended
Mar. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
The Company’s property, plant and equipment consisted of the following (in thousands):
March 31,
2021
December 31,
2020
Liquefaction plants and systems$40,850 $40,841 
Real property and buildings1,611 1,649 
Vehicles and tanker trailers and equipment47,567 47,179 
Computer and office equipment513 532 
Construction in progress191 191 
Leasehold improvements31 30 
90,763 90,422 
Less: accumulated depreciation(40,560)(38,384)
$50,203 $52,038 
Depreciation expense for the three months ended March 31, 2021 and 2020 totaled $2.2 million and $2.3 million, respectively, of which all is included in the unaudited condensed consolidated statements of operations as its own and separate line item.