WASHINGTON — The U.S. Postal Services has finalized a agreement to change its mail-truck fleet with practically all gasoline-run products, drawing an offended response from Biden administration officers who unsuccessfully pushed the agency to purchase electric automobiles alternatively.

The file of conclusion signed Wednesday represents the culmination of a unsuccessful lobbying energy by the Environmental Protection Company and top Biden administration officers to persuade the Postal Assistance to shift system. The independent company can now shift ahead with its $6 billion strategy to start out acquiring as many as 165,000 mail vehicles about the upcoming 10 several years from Wisconsin military services truck maker Oshkosh Corp.

As numerous as 90 percent of those people will operate on gasoline instead of batteries, according to the plan.

EPA Associate Administrator Vicki Arroyo decried the shift as a “crucial missing chance to be a chief in lowering the carbon footprint of just one of the greatest government fleets in the environment.”

“Purchasing tens of thousands of gasoline-fueled shipping vans locks USPS into further oil dependence, air pollution and climate impacts for many years to arrive,” Arroyo reported in an emailed statement.

The Postal Service formerly turned down a bid from fledgling electric powered-automobile professional Workhorse Group Inc.

Postmaster Normal Louis DeJoy defended the selection, stressing that the fleet substitution is urgent although reiterating the Postal Support will get more battery-electric powered vehicles as much more funding gets obtainable.

“Our determination to an electric fleet remains formidable presented the pressing car or truck and protection desires of our getting older fleet as properly as our fragile monetary situation,” DeJoy claimed in a information launch. “The approach desires to continue to keep shifting forward. The guys and females of the U.S. Postal Assistance have waited extended plenty of for safer, cleaner automobiles.”

The authorization is not likely to be the final term on the subject.

Environmental teams are getting ready to swiftly challenge the shift in federal courtroom, arguing the Postal Provider is illegally justifying its selection with a basically flawed assessment of the invest in plan that underestimates greenhouse fuel emissions, relies on faulty financial assumptions and fails to take into account alternate options.

“The United States Postal Service’s unwell-educated and pricey final decision will lock People in america into an overwhelmingly gas-driven mail shipping and delivery process for generations to arrive,” the Zero Emission Transportation Association, which represents electrical auto makers these kinds of as Rivian Automotive Inc. and electric powered utilities these kinds of as NRG Vitality Inc., mentioned in a assertion. “This selection directly subverts federal rules and our intercontinental commitments — and President Biden’s government buy to electrify the federal fleet.”

The Postal Service’s decision is a blow to President Joe Biden’s bid to shift the U.S. authorities absent from gasoline-driven versions towards plug-in hybrids and EVs that now make up a lot less than 1 % of the federal fleet. The Postal Service’s deal suggests up to 23 per cent of the federal government’s fleet is outside of his get to, BloombergNEF said Wednesday.

Although the Biden administration has limited authority around the Postal Provider simply because it is an unbiased agency, federal courts have identified the USPS is nevertheless bound by the Countrywide Environmental Coverage Act that involves assessment of important plan selections. And federal courts have formerly invalidated federal government leases bought to personal providers right after finding that analysis lacking.

The USPS “is enjoying a quite high-stakes game” by “going in opposition to what the law calls for,” Adrian Martinez, an legal professional with the environmental team Earthjustice, reported prior to the announcement.

The Postal Service explained its technique was best simply because it will assure the agency has a “purpose-constructed right-hand travel auto capable of assembly performance, security, and ergonomic prerequisites for economical carrier deliveries to corporations and suppress-line residential mailboxes over the whole nationwide technique.”