WASHINGTON/MEXICO CITY (Reuters) - U.S. trade officials met with auto industry executives in Washington on Tuesday, three sources said, as talks to renegotiate the North American Free Trade Agreement try to make progress on a major sticking point around vehicle production.

The U.S. negotiator handling ‘rules of origin’ for automobiles, Jason Bernstein, unexpectedly returned to Washington for consultations soon after the seventh round of NAFTA talks between the United States, Mexico and Canada began in Mexico City on Sunday.

Three people familiar with the matter said representatives from the office of U.S. Trade Representative (USTR) Robert Lighthizer would hold separate meetings with executives from Ford and General Motors on Tuesday afternoon.

USTR declined to comment.

Ford said in a statement it had an ongoing dialogue about the importance of NAFTA with the government, with an emphasis on enforceable rules prohibiting currency manipulation.

A GM spokesman said: “These regular meetings with USTR happen in the context of any major trade agreement to assure that GM’s point of view is heard.”

The GM meeting lasted less than an hour and was a routine meeting that did not discuss any major breakthroughs or policy changes, according to one of the sources, who was briefed on the meetings.

Time is running out to agree a new NAFTA before a Mexican presidential vote and U.S. mid-term congressional elections later this year. The administration of U.S. President Donald Trump has put forward an aggressive set of proposals that are complicating progress.

Among those proposals is a demand that seeks to guarantee that the United States gets more of the world’s auto business by ensuring that more of the finished product is produced in North America.

Officials have said they do not expect a major breakthrough on the auto issue during the current round of talks, though some in attendance were encouraged by the signs of greater U.S. discussion of rules of origin - even if that part of the round is now on hold while Bernstein is in Washington.

Kenneth Smith, Mexico’s chief NAFTA negotiator, said he hoped Bernstein would quickly return to Mexico City, where rules of origin discussions were meant to last from Sunday to Tuesday.

“Hopefully these consultations are positive,” Smith told reporters, referring to the industry talks in Washington.

Smith said there had been “a lot of progress” on other NAFTA chapters involving telecommunications, digital commerce, technical barriers to trade and regulatory practices.

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DEFICIT FIX

Mexico’s economy minister had said the country could put forward its own automotive proposal at the round, but he is facing resistance from the industry to give any ground.

Eduardo Solis, the head of Mexico’s automotive industry association (AMIA), told reporters at the talks there was no fresh Mexican proposal and reiterated his longstanding position that the rules of origin in the original NAFTA be maintained.

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“All there is is the original U.S. proposal, which we’ve said is totally unacceptable,” Solis said.

Under NAFTA, 62.5 percent of the net cost of a passenger car or light truck must originate in the NAFTA region to avoid tariffs. Trump wants the threshold raised to 85 percent and is also seeking to ensure half the total content is from the United States.

The demand reflects Trump’s belief that trade with Mexico and Canada is hurting U.S. jobs and factories.

Trump has repeatedly threatened to pull out of NAFTA unless the deal can be reworked in a way that favors the United States.

The U.S. president said in Washington on Monday that his country was probably losing “$130 billion a year” to Mexico.

“For years, I’ve been saying ... (it is) $71 billion, but it’s really not,” Trump said, adding that the United States also loses “a lot” with Canada. “People don’t know it. Canada is very smooth. They have you believe that it’s wonderful. And it is — for them. Not wonderful for us,” he added.

U.S. data show the country’s 2017 trade deficit in goods with Mexico was $71.1 billion and $17.6 billion with Canada.

Critics of Trump’s stance say the deficit reflects robust U.S. consumption, not unfair trade.

It was unclear how Tuesday’s U.S. automotive discussions might affect the debate on rules of origin, but the people briefed on the matter did not expect a major change in position.

If USTR was going to announce a radical shift on the rules, the auto companies believe the meetings would be held at CEO level, according to two of the people familiar with the matter.

Solis said automakers were still evaluating ideas put forward by Canada to include newer technology in the calculation of a vehicle’s value, and that innovations such as hybrid and electric cars could end up with different rules because they were not contemplated in the initial accord.

The auto industry has opposed Trump’s demands on increased content, arguing it will disrupt supply chains and raise costs. Mexican officials say the issue must largely be resolved between the White House and U.S.-based industry bosses.