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The U.S. Environmental Protection Agency expects to issue a notice of proposed rulemaking later this year aimed at establishing new emissions standards for oxides of nitrogen (NOx) and other pollutants for highway heavy-duty engines, an EPA official told the S.11 study group of the Technology & Maintenance Council of American Trucking Associations during TMC’s virtual spring meeting.

The U.S. Environmental Protection Agency is in its second year of a four-year enforcement effort to catch truckers who are installing emissions defeat devices or otherwise tampering with emissions systems.

The Trump administration is expected to exempt some oil refineries from 2019 mandates to use renewable fuel as it readies possible last-minute moves on U.S. biofuel policy.

President-elect Joe Biden is nominating Michael Regan to lead the EPA, putting a North Carolina environmental regulator in line to chart national policy on combating climate change and pollution, according to people familiar with the matter.

Automaker Daimler AG and subsidiary Mercedes-Benz USA have agreed to pay $1.5 billion to the U.S. government and California state regulators to resolve emissions cheating allegations, officials said Sept. 14.

There is mounting evidence that the U.S. Environmental Protection Agency’s low oxides of nitrogen proposed rule, already months behind schedule, will not be completed until after the November elections, according to trucking industry and environmental group sources.

Stakeholder comments on the Environmental Protection Agency’s plans to aggressively reduce oxides of nitrogen emissions generally were positive, but with some caveats.

More than a year ago, U.S. Environmental Protection Agency officials announced the agency’s Cleaner Trucks Initiative, an effort to work closely with the California Air Resources Board to develop a more stringent “harmonized” nitrogen oxide-emissions rule for heavy trucks.

SAN DIEGO — Thirty American Trucking Associations members received the U.S. Environmental Protection Agency’s SmartWay Excellence Award at the federation’s Management Conference & Exhibition on Oct. 7.