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Investments
9 Months Ended
Sep. 30, 2021
Equity Method Investments And Joint Ventures [Abstract]  
Investments

12.  Investments

The following is a summary of our investments included in other noncurrent assets in the consolidated balance sheet and the related funding commitments (in millions):

 

 

September 30,

2021

 

 

December 31,

2020

 

 

 

 

 

 

 

Funding

 

 

 

 

 

 

 

Assets

 

 

Commitments

 

 

Assets

 

Chem-Mod LLC

 

$

4.0

 

 

$

 

 

$

4.0

 

Chem-Mod International LLC

 

 

2.0

 

 

 

 

 

 

2.0

 

Clean-coal investments:

 

 

 

 

 

 

 

 

 

 

 

 

Non-controlling interest in a limited liability company that owns one

   2011 Era Clean Coal Plant

 

 

 

 

 

 

 

 

0.1

 

Controlling interest in limited liability companies that own twenty

   2011 Era Clean Coal Plants

 

 

2.6

 

 

 

 

 

 

12.4

 

Other investments

 

 

5.5

 

 

 

0.5

 

 

 

3.9

 

Total investments

 

$

14.1

 

 

$

0.5

 

 

$

22.4