| Summary |
On or before December 31, 2028, the bill requires the air quality
control commission (AQCC) in the department of public health and
environment (department) to adopt by rule certain emission standards and
requirements for in-use, off-road, diesel-fueled fleets.
On or before December 31, 2025, the AQCC must adopt rules for
controlling emissions from facilities, buildings, structures, installations,
or real property that generates mobile source activity that results in
emissions of air pollutants (indirect source) within the 8-hour ozone
Denver metro/north front range nonattainment area (covered
nonattainment area). The rules must include emission reduction targets
for indirect sources to achieve and a process for the division of
administration (division) in the department to review alternative
approaches proposed by an owner or operator of an indirect source. The
commission may establish a fee for indirect sources within the covered
nonattainment area to cover the division's costs in implementing the rules.
The bill also defines ozone season as the period beginning May
1 and ending September 30 of each year (ozone season). Beginning in the
2025 ozone season, and in each ozone season thereafter, any oil and gas
preproduction activity within the covered nonattainment area must pause
for the duration of the ozone season.
On or before June 30, 2024, and on or before each June 30
thereafter, an oil and gas operator in the state is required to submit an oil
and natural gas annual emission inventory report (inventory report) to the
division that includes, for the previous calendar year, the emissions of
certain air pollutants from oil and gas operations under the control of the
oil and gas operator.
On or before October 1, 2024, and on or before each October 1
thereafter, the division, in coordination with the energy and carbon
management commission (ECMC), must prepare a report regarding the
inventory reports received by the division for the previous calendar year
and certain other information.
On or before November 30, 2024, and on or before each
November 30 thereafter, for the ozone season of the subsequent year, an
oil and gas operator that controls oil and gas operations in the covered
nonattainment area must submit a report to the division estimating
emissions of nitrogen oxides from the oil and gas operator's operations in
the covered nonattainment area (estimates).
For the 2025 ozone season, and for each ozone season thereafter,
the ECMC, in consultation with the division, must develop an ozone
season nitrogen oxides emission budget (budget) for the emissions of
nitrogen oxides by oil and gas operations in the covered nonattainment
area, which budget must set certain maximum average emission levels of
nitrogen oxides by oil and gas operations.
On or before February 1, 2025, and on or before each February 1
thereafter, the division must prepare a nitrogen oxides report regarding
the estimates received by the division for use by the ECMC in
determining if the total estimates received exceed the budget for the
ozone season of the current year.
Beginning in February 2025, and in each February thereafter, the
ECMC, in consultation with the division, must act to limit emissions of
nitrogen oxides from oil and gas operations in the covered nonattainment
area in a manner that prevents an exceedance of the current year's budget.
The bill also requires the department of transportation to establish
vehicle miles traveled reduction targets for the covered nonattainment
area and to develop policies and programs to assist applicable
metropolitan planning organizations in meeting the targets.
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