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EPA proposes rolling back heavy-duty truck emissions rules

The Trump administration proposed scaling back Biden-era pollution standards for heavy-duty diesel trucks, citing technological and cost concerns.

12:09 AM

The Environmental Protection Agency on Thursday proposed rolling back emissions regulations for heavy-duty diesel trucks, citing what the Trump administration characterized as "unnecessary and unworkable" Biden-era environmental rules.

The proposal would scale back and postpone two key provisions designed to reduce pollution from heavy-duty vehicles, including buses and large trucks. According to the EPA, the changes address issues with emissions control technology for new trucks and penalties affecting older vehicles that fail to meet standards.

Under the proposal, the government requirement for engine warranties would be shortened to 100,000 miles from 450,000 miles. Additionally, a requirement that trucks meet emissions standards for their first 650,000 miles—an increase from the first 435,000 miles under previous rules—would be delayed for three years.

The administration estimated the proposal could save up to $6,000 per new truck and help truckers save roughly $12 billion overall. The EPA stated the changes would "lower costs, increase safety and keep our nation's food supply moving."

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