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Automakers will be required to meet increasingly stringent GHG
standards for passenger cars and pickup trucks spanning model years
(MY) 2023 through 2026 that the US Environmental Protection Agency
revised 20 December after
recognizing the development and availability of emissions reduction
technologies for meeting them.
The final rule revises current GHG standards beginning in MY
2023 and increases in stringency year over year through MY 2026,
but with less flexibility than was originally proposed.
Signing the rule at EPA headquarters, Administrator Michael
Regan said "we followed the science, we listened to stakeholders,
and we are setting robust and rigorous standards that will
aggressively reduce the pollution that is harming people and our
planet—and save families money at the same time."
The EPA final rule stepped up stringency in GHG standards for
MYs 2025 and 2026, while retaining the standards it proposed in
August for model years 2023 and 2024. It also retained compliance
flexibility for MYs 2023 and 2024 "in consideration of lead time
for manufacturers and to help them manage the transition to more
stringent standards."
Describing the regulations as "the most ambitious" in US
history, Regan said the rule is achievable and affordable.
He cited EPA analysis that said the program would achieve up to
$420 billion in fuel costs for gasoline that "you won't have to put
in the tank."
Replace SAFE rule
The final vehicles GHG rule replaces standards imposed for MY
2020 through 2025 under President Donald Trump's 2020 Safer
Affordable Fuel-Efficient (SAFE) rule, which significantly relaxed
targets set in 2012.
Regan said the EPA has delivered on its promise to
President Joe Biden, who directed the agency and the US Department
of Transportation upon taking office in January to revisit the SAFE
rule as part of his government-wide strategy to tackle the climate
crisis.
"Today's final standards are expected to result in average fuel
economy label values of 40 [miles per gallon], while the standards
they replace (the SAFE rule standards) would achieve only 32 mpg in
MY 2026," the EPA said.
The transportation sector remains the largest contributor of
GHGs in the US, adding 1.876 billion mt of GHG emissions in 2019,
or 29% of the total. Light vehicles (passenger
cars and light trucks including sports-utility vehicles) were
responsible for 58% of the GHGs emitted by the transportation
sector, and 17% of total US GHG emissions.
"EPA projects that the final standards will result in a
reduction of 3.1 billion mt of GHG emissions by 2050, which are 50%
greater emission reductions than the standards it proposed in
August," the agency said.
Moreover, EPA said, cumulative GHG emissions that will be
avoided through 2050 are roughly equal to over half of the net
total CO2 emissions in the US in 2019.
Stringent GHG cuts
According to the EPA, the final rule, as was proposed in August, will be
responsible for an average 9.8% decrease compared with the 224 CO2
grams per mile (g/mile) that the SAFE rule set for model year 2022.
After MY 2023, the agency said those standards will tighten by an
average 5.1% for MY 2024. In contrast to the proposal though, the
final rule steps up the stringency with an average 6.6% for MY
2025, and an average 10.3% increase for the subsequent year,
reaching a CO2 emissions limit of 161 g/mile in MY 2026.
Source: US EPA
The more stringent standards for MY 2025 and 2026 also provide
"a more appropriate transition" to new standards for MY 2027 and
beyond that Regan said the agency will begin writing. Following the
signing ceremony, Regan sidestepped a question during a press
gaggle when asked when those standards would be released.
EPA said that automakers will reach this target with the kinds
of advanced light-duty vehicle engine technologies, transmission
technologies, electric drive systems, aerodynamics, tires, and
vehicle mass reduction already in place in the current fleet.
Banked credits changes
The agency also pointed out that "the resulting trajectory of
increasing stringency from MYs 2023 to 2026 also takes into account
the credit-based emissions averaging, banking, and trading
flexibilities of the current program, including flexibility
provisions that have been retained, and the targeted additional
flexibilities that are being extended in this final rule,
especially in the early years of the program."
In its final rule, EPA is no longer extending the current
five-year timeframe for all banked credits for overcompliance as it
had initially proposed. The one-year extension is now just limited
banked credits earned for meeting MY 2017 and 2018 standards.
EPA said it was persuaded by public comments from
non-governmental organizations (NGOs), some states including
California, and electric vehicle manufacturers that "the proposed
credit life extension overall was unnecessary and could diminish
the stringency of the final standards."
The Union of Concerned Scientists (UCS) and the Center for
Biological Diversity were among the NGOs that objected most to the
EPA's proposal to extend the current timeframe for the use of
banked credits.
After reviewing the final rule, UCS Senior Vehicle Analyst Dave
Cooke told Net-Zero Business Daily that banked credits
will continue to play a "strong role" in the early years of the
standards. "But by strengthening the rules there will be much less
of the type of built-up bank that we've had thus far that has
delayed progress," he added.
In general, Cooke said, "the use of banked credits isn't
necessarily a problem and is part of the cyclic nature of the
automotive industry—but it's been used too long as a delay
tactic, and hopefully this rule signals the end of that."
At the same time, EPA also is offering automakers the chance to
earn advanced technology multiplier credits for MYs 2023 and 2024,
but with a cumulative credit cap of 10 grams CO2 per mile, for
selling battery-electric vehicles (BEV), fuel cell-electric
vehicles (FCEV), and plug-in hybrid electric vehicles (PHEV) in
order to boost efforts to reach President Biden's 50% EV sales goal by 2030.
Manufacturers receive additional credit for selling PHEVs, BEVs,
and FCEVs in the form of sales multipliers, which allow automakers
to count these vehicles as more than one vehicle in emissions
compliance calculations.
The EPA also has restored full-size hybrid pickup truck
incentives for MY 2022 through 2025 that the SAFE rule removed, and
has increased the credit cap from 10 g/mile CO2-equivalent to 15
g/mile for off-cycle technologies such as improving the
aerodynamics of a car or how long its engine remains idle.
The agency's rationale for extending carry-over credits and
extending the timeframes for incentives it has granted automakers
in the past is that they are "intended as a temporary measure
supporting the transition to zero-emission vehicles and to provide
additional flexibility in meeting the revised MY 2023-2026
standards, especially in the earlier years."
According to EPA, most automakers have launched ambitious plans
to develop and produce increasing numbers of zero- and
near-zero-emission vehicles. EPA said it recognizes that in the
near-term timeframe of the standards the new vehicle fleet likely
will continue to consist predominantly of gasoline-fueled vehicles,
although it expects the volumes of EVs to continue to increase,
particularly in MYs 2025 and 2026.
"While these standards are ambitious, they provide adequate lead
time for manufacturers to comply at reasonable costs," the EPA said
in a statement accompanying the final rule.
United Auto Workers President Ray Curry said EPA standards,
which he described as "well thought out," will promote long-term US
investments, and protect worker jobs.
EV market penetration
The EPA is estimating that EV market share will ramp up from 7%
for MY 2023 sales to 17% for MY 2026 based on announcements by
automakers such as General Motors, which in January pledged 100% of the light
vehicles it manufactures would be EVs by 2035. GM energy,
environment, and electrification policy manager Michael Maten said
the company is rolling out plans to meet Biden's goal.
The 17% estimate depends heavily on the tax incentives that
automakers, including those involved in EV battery manufacturing,
were hoping to receive from Biden's Build Back Better legislative
package, which over the weekend received a setback when US Senator
Joe Manchin, Democrat-West Virginia, pulled his support, thereby
jeopardizing its chances in a Senate where Republicans and
Democrats are tied for votes.
In a statement issued 20 December, John Bozella, CEO of the
Alliance for Automotive Innovation, warned that the final rule is
"even more aggressive" than the underlying proposal and will
therefore require a substantial increase in EV sales and
backing.
"Achieving the goals of this final rule will undoubtedly require
enactment of supportive governmental policies—including
consumer incentives, substantial infrastructure growth, fleet
requirements, and support for US manufacturing and supply chain
development," Bozella noted.
Following the rule's release, GM said in a 20 December email
that it too supports the goal of the final rule and its intentions
to significantly reduce emissions,
As it reviews the rule, GM reminded the government and US
Congress that the auto industry needs complementary federal and
state policies that support the transition to a zero-emission
vehicle future. These, it said, include consumer incentives,
infrastructure investments, and support for US advanced
manufacturing and battery supply chain development.
"We will continue to work with the Biden Administration and the
US Congress to pass legislation that includes provisions to help
accelerate the adoption of electric vehicles and establish the US
as a global leader in electrification today, and into the future,"
GM said.
When asked whether automakers would continue to comply with the
rule and also aim for the 17% penetration despite the setback with
the Build Back Better Act, Regan said the rule is "doable, its
affordable and its achievable" in its current form. But, he added,
that doesn't mean "we're not going to tirelessly fight for those
incentives in the Build Back Better proposal."
Jeff Alson, a former senior engineer and policy adviser in EPA
Office of Transportation and Air Quality, said the EPA must turn
its attention to developing standards for 2027 and later to drive
US car sales to near-100% emissions by the early 2030s to meet
national air and climate goals.
"The uncertainty around the Build Back Better legislation means
that strong rulemaking for 2027 and beyond is both more challenging
and more critical," he added in a 20 December statement.
Posted 20 December 2021 by Amena Saiyid, Senior Climate and Energy Research Analyst
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