Many fuel economy experts say trailers need to be part of the equation. Photo: TrailerTails

Many fuel economy experts say trailers need to be part of the equation. Photo: TrailerTails

Just months before new greenhouse gas and fuel efficiency rules affecting trailers and glider kits are scheduled to start taking effect, the U.S. Environmental Protection Agency says it plans to revisit those rules.

The EPA announced Thursday that it will revisit provisions of the Phase 2 Greenhouse Gas Emissions and Fuel Efficiency Standards, following concerns raised by stakeholders in the trailer and glider industry.

Learn more about trailer makers' concerns: Trailer Maker Says EPA ‘Overstepped’ on GHG/Fuel Economy Proposal

“We intend to initiate a rulemaking process that incorporates the latest technical data and is wholly consistent with our authority under the Clean Air Act,” said EPA Administrator Scott Pruitt in an announcement.

In September 2011, EPA and the National Highway Traffic Safety Administration issued greenhouse gas emissions and fuel efficiency standards for medium- and heavy-duty vehicles for model year 2014-2018 (“Phase 1”). These standards applied to newly manufactured engines, tractors, vocational vehicles, large pickups, and vans. In October 2016, EPA and NHTSA updated the standards for medium- and heavy-duty vehicles MY 2021-2027 (“Phase 2”), and in addition to more stringent standards for tractors, also for the first time regulated trailers and gliders, with compliance deadlines beginning in 2018.

However, the trailer and glider kit sectors have argued that EPA lacks authority to regulate them under the Clean Air Act because their products are not self-propelled “motor vehicles.”

In addition, trailer makers contend that the agency overestimated the potential benefit, greatly overestimating average highway speeds for trailers and not taking into account how local and regional fleets would be affected.

According to InsideEPA.com, it is unclear how the Thursday announcement relates to a lawsuit filed against the EPA by trailer makers and the glider kit industry, Truck Trailer Manufacturers Association (TTMA) v. EPA, et al. InsideEPA.com reports that one source familiar with the trailer litigation said EPA sought to get TTMA to agree to settle the case by offering to revisit the requirements, but the association declined because it wants to go to court.

Meanwhile, there is a bill moving through the House Energy & Commerce Committee, H.R. 3570, that would explicitly exempt trailers from Clean Air Act regulation.

The Environmental Defense Fund criticized the EPA's move, saying in a press release, “EPA and DOT’s plans to weaken the trailer standards are in capitulation to industry requests, ignoring the robust technical record confirming the cost effectiveness of pollution control technologies and efficiency standards for trailers, and the firm legal basis for these standards.”

“Rolling back clean air and fuel efficiency standards for our nation’s freight haulers would cost consumers and truckers money and mean more harmful pollution for our communities and families. These common-sense standards reduce our country’s reliance on imported oil, save money, and help keep Americans safe from the clear and present danger of climate change,” said EDF Attorney Alice Henderson.

Originally posted on Trucking Info

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