v3.26.1
Property, Plant, and Equipment (Tables)
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Useful Lives of Property, Plant and Equipment, Net
Depreciation is computed using the straight‑line method over the estimated useful lives of the assets as follows:
Plant and equipment
5 - 30 years
CNG/RNG Fueling Stations
10 - 20 years
Construction in progressN/A
Buildings
40 years
LandN/A
Service equipment
5 - 10 years
Leasehold improvementsshorter of lease term or useful life
Vehicles
7 years
Office furniture and equipment
5 - 7 years
Computer software
3 years
Land lease - finance leaseLease term
Vehicles - finance leaseshorter of lease term or useful life
Other
7 years
Property, plant, and equipment, net, consisted of the following as of December 31, 2025 and 2024:
December 31,
2025		December 31,
2024
Plant and equipment$322,123 $317,926 
Construction in progress203,312 169,571 
CNG/RNG fueling stations (1)
90,453 68,899 
Finance leases2,725 9,550 
Other10,064 9,688 
628,677 575,634 
Less: accumulated depreciation (2)
(133,043)(117,376)
Property, plant, and equipment, net$495,634 $458,258 
(1) Includes $87,888 and $68,899 lessor operating lease right of use assets as of December 31, 2025 and 2024, respectively.
(2) Includes $18,399 and $14,569 lessor operating lease accumulated depreciation for the years ended December 31, 2025 and 2024, respectively.