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Introduction
would require an initial capital allocation of $3 million. This
cost was based on the use of water or steam injection, flue gas
recirculation, and boiler tuning.
Due to the significant cost of reducing NO x emissions at
Newman Station, and taking into consideration that the three
grandfathered units are scheduled for retirement within the next
15 years, EPE determined that it was more cost-effective to
obtain additional allowances rather than install on-site abatement
technology. A Texas law (30 TAC § 101.337) allows EGFs
in El Paso to meet emissions allowances by using credits generated
in Ciudad Juárez. 2
Located in Ciudad Juárez are approximately 350 primitive
kilns used to manufacture bricks (Figure 2). These kilns are
open-top structures in which so-called green bricks are stacked.
A fire is maintained at the base of the kiln by burning wood,
sawdust, tires, refuse, or other fuel. The kilns emit large clouds
of soot, carbon monoxide (CO), NO x , and volatile organic compounds
(VOCs) (Figure 3).
Source: El Paso Electric Company
Figure 2. A Brick Kiln
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