February 25, 2022 • By Heavy Duty Trucking Staff • Bookmark +
CARB says the health benefits from the new TRU emissions rules are more than twice the total estimated net cost of the 2022 amendments (estimated at $850 million).
New California emissions regulations for transport refrigeration units kick in starting this December, on the way to a requirement for all truck TRUs operating in California to be zero‑emission by the end of 2029.
The California Air Resources Board approved amendments to its rule for TRUs operating in the state. The 2022 amendments will require a variety of actions designed to reduce the pollution these units produce and accelerate their transition to zero-emission technologies.
The Path to Electric Reefers
The new requirements include the transition of diesel-powered truck TRUs to zero‑emission, a particulate matter emission standard for newly manufactured non-truck TRU engines (on trailers, domestic shipping containers, railcars, and generator set units), the use of lower global warming potential refrigerants, facility registration and reporting, expanded reporting and labeling, and fees.
CARB said the new rules build on progress achieved by the existing rule, which requires TRUs operating in California to meet in-use particulate matter performance standards after they turn seven years old.
Key elements of the newly-adopted requirements include:
CARB identified several zero-emissions TRU technologies as part of its proposed regulations:
From 2022 to 2034, the amendments are expected to reduce harmful PM2.5 and NOx emissions by approximately 1,258 tons and 3,515 tons, respectively, and result in estimated statewide health benefits (savings from avoided health care costs) of approximately $1.75 billion. The health benefits are more than twice the total estimated net cost of the 2022 amendments estimated at $850 million. Reductions of PM2.5 and NOx emissions will also reduce cancer risk to individual residents and off-site workers near facilities where TRUs operate, including those located in and near disadvantaged communities.
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