Immediately at stake are plans by Trump to increase from 10% to 25% existing tariffs on $250 billion of Chinese goods on January 1. The administration this summer removed hundreds of items from the list of imported goods subject to tariffs after lobbying from USA companies.
One of Trump's goals in issuing the tariff is to pressure Apple to move production to the US; but the cost of shifting the tech leader's global supply chain from China to America would be expensive, hard and, therefore, "highly unlikely".
In a pair of Twitter posts on Wednesday, Trump pointed to a longstanding US tariff on imported pickup trucks that has helped USA -based automakers dominate that market.
Additional data due out next week on trade of both goods and services is expected to show a 10-year high in the overall trade deficit, said Ian Shepherdson, chief economist at Pantheon Macroeconomics.
Trump wants the European Union and Japan to buy more American-made vehicles.
The prime minister said the participants would deliberate on the situation of the global economy and trade, worldwide financial and tax systems, the future of work, women empowerment, infrastructure and sustainable development.
U.S. Trade Representative Robert Lighthizer is examining all available tools to raise U.S. tariffs on Chinese vehicles to the 40 percent duties that China is now charging on U.S. -produced vehicles.
"I happen to be a tariff person because I'm a smart person, OK?" he told the Wall Street Journal.
Chinese leader Xi Jinping landed in Buenos Aires where he will participate in the G20 summit and hold a bilateral meeting with US President Donald Trump amid a major trade spat between the two countries.
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Doomed Lion Air jet was 'not airworthy' on penultimate flight
The government report suggests the airplane should have been removed from service because of earlier reports about problems. The preliminary report, which contains the facts and evidence gathered by KNKT, was released 30 days after the accident.
Verbal war between Russian Federation and Ukraine escalates
President Poroshenko has implemented martial law across Ukraine's border regions for 30 days in response to the crisis. Putin said Poroshenko had done so in a bid to score political points ahead of Ukraine's 2019 presidential election.
"Based on the fact that the ships and sailors have not been returned to Ukraine from Russian Federation, I have decided it would be best for all parties concerned to cancel my previously scheduled meeting in Argentina with President Vladimir Putin", he tweeted. But Trump escalated tensions earlier in the week, when he repeated a threat to put tariffs on the remaining Chinese goods if a deal can't be reached. Trump has accused China of unfair trade practices and stealing of intellectual properties.
Trump thinks his tariffs are paid by exporters, referring to the money "pouring into our treasury right now".
It also, however, sees the trade confrontation as a U.S. attempt to repress China's economic and geopolitical ambitions and protect the dominance of the United States economy and, in particular, its leadership in technology. Some manufacturers and retailers say the duties could lead to job losses and higher prices for consumers.
While others in the administration are also clearly concerned about China's growing geopolitical influence and see its "One Belt, One Road" initiative as inimical to U.S. interests, Trump's perspective is narrower and more parochial.
"There are some ... things in there that I think Democrats can support", Ms O'Neil said.
Trump has also imposed tariffs on foreign steel and aluminum this year, in the interest of national security.
So Mr Macron is fashioning himself at this summit as the anti-Trump choice - a champion of the Paris climate accord, defender of the postwar system of global trade and crusader against multinational tax evaders.
Since coming to power, Xi has entirely erased from Chinese public consciousness the memory of what was called the "century of humiliation", when, from the 1840s onward, Europeans, Japanese and Americans carved up China into colonial enclaves.