- Tag results for NAFTA
The trade talks came after US President Donald Trump said on Saturday that there is "no political necessity" to keep Canada in the new NAFTA deal.
The Congress must approve any rewrite of the North American Free Trade Agreement and might refuse to endorse a deal that leaves longtime ally Canada on the sidelines.
Trump's remarks raised doubts about whether the two countries can quickly reach a deal to keep Canada in the 24-year-old trading bloc, along with the United States and Mexico.
Optimism is high that the United States, Canada and Mexico are near the finish line for an agreement on a new North American Free Trade Agreement.
About 75 percent of Canada's exports go to the U.S. so the tariff threat looms large after Trump snubbed Canada and reached a preliminary deal with Mexico.
US and Mexico agreed to overhaul NAFTA pressuring Canada to sign up to new auto trade and dispute settlement rules to remain part of the three-way pact.
A public speakerphone conversation was a central feature of Monday's unexpected announcement of a preliminary agreement between the U.S. and Mexico on a trade pact Trump hopes will succeed the NAFTA.
The dollar index, which measures the greenback's performance against six other currencies, was nearly flat on Tuesday following two sessions of losses.
The three countries have been renegotiating NAFTA for over a year at the behest of Trump, who calls the 1994 trade pact a "terrible deal" that he blames for sending US manufacturing jobs to Mexico
The two sides have been gradually nearing a common position, and one source close to the negotiations said at the weekend there was now "little" separating the two on autos.
Ildefonso Guajardo was speaking to reporters at the offices of U.S. Trade Representative Robert Lighthizer where the latest Mexico-U.S. talks on NAFTA are being held.
has cautioned that some of the hardest issues were still on the table, including the US demand for a five-year "sunset clause," which would oblige the three countries to renew the pact regularly.
Trump has threatened to dump the 24-year-old accord if it is not reworked to the advantage of the United States.
Talks between Mexican Economy Minister Ildefonso Guajardo and the US Trade Representative Robert Lighthizer are due to resume on Tuesday in Washington.
US Trade Representative Robert Lighthizer said Thursday he hoped to get a breakthrough with Mexico in the coming days.