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In its heyday, Fitzgerald Glider Kits was the nation’s top glider truck manufacturer, building and selling thousands of the new truck cab bodies powered by older rebuilt engines.

The trucking industry urged federal regulators to consider how a proposal to tighten emissions limits on engines will affect motor carriers, as they’re the ones who will ultimately deploy the equipment subject to the new rules.

In an all-day virtual hearing, many of the roughly 140 parties commenting expressed support for the U.S. Environmental Protection Agency’s proposed new rule to tighten nitrogen oxides emissions. Others, however, either viewed the effort as a lost opportunity or attacked it as an overreach.

The U.S. Environmental Protection Agency announced a proposed rulemaking to further restrict emissions of soot-forming nitrogen oxides (NOx) by heavy-duty diesel and gasoline engines starting in model year 2027.

The Biden administration sought to thread the needle between warring oil and renewable fuel interests Dec. 7 by proposing modest quotas for the use of plant-based fuels while moving to block exemptions for dozens of oil refineries.

White House and other administration officials told the Environmental Protection Agency that its industry-backed plan for tightening auto emissions limits was too lax, but the agency rebuffed those warnings and released the proposal with provisions that could lessen its bite.

The Environmental Protection Agency on Aug. 5 announced plans to reduce greenhouse gas emissions and other harmful air pollutants from heavy-duty trucks in a series of major rulemakings over the next three years.

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.