"New President of Mexico has been an absolute gentleman", he said, referring to leftist Andres Manuel Lopez Obrador, set to take over later this year. "Will tax cars if can't make a deal!"
However, he acknowledged: "We still have a lot of work to do".
Earlier Friday, U.S. officials met Mexican counterparts in Washington to resolve.
Foreign Minister Luis Videgaray, who accompanied Guajardo, spoke to US Secretary of State Mike Pompeo on Wednesday and "discussed the importance of concluding a NAFTA agreement", according to a statement from the State Department.
But the USA side was sticking to a hard stance in the final stretch of the year-old NAFTA talks, trying to extract concessions as another late August deadline for a deal approaches, one industry representative said.
Erdogan says U.S. waging 'economic war' against Turkey
Mr Erdogan said the USA had "repeatedly and consistently failed to understand and respect the Turkish people's concerns". The currency is down 40 percent just this year, shaking worldwide investors' confidence in the country.
Liverpool vs West Ham, Premier League 2018-19
More aggressive in the right moments. "I think we now have the quality and a talented team who can play to win titles". "Win all of them and it's good, but it's really hard to do so". "We are still Rocky Balboa, not Ivan Drago".
NASA embarks on "dangerous" mission to the Sun
The Parker Solar Probe, a spacecraft the size of a small auto , launched from Cape Canaveral in Florida about 3:30 a.m. NASA hope the breakthrough journey will reveal why the sun's outer layer - the corona - is hotter than the surface.
Team gives medication to sick killer whale at sea
Scientists had no plans to take the calf away from J35 or her pod, noting the "tight bond, "reports The Seattle Times ". A team of whale experts has injected an ailing killer whale with antibiotics in a rare effort to save her.