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General Motors Co. posted a quarterly sales gain, and Ford Motor Co. sales fell less than expected. But both are having trouble shrugging off concerns that the U.S. auto market is taking a turn for the worse.

The Trump administration has agreed to a new plan for boosting renewable fuels and offsetting waivers exempting oil refineries from mandates to use them, according to three people familiar with the matter who asked for anonymity before a formal announcement.

Petroleos Mexicanos’ head of crude oil trading Victor Briones and two other executives left the company amid a conflict over an external review of the nation’s crude price formulas, people familiar with the matter said.

More than two months and 20,000 kilometers (12,000 miles) ago, the tanker Da Yuan Hu left Singapore and headed to Mexico to pick up a shipment of crude oil. On Sept. 26, with less than two weeks to go until it reaches its destination, its long quest could be in jeopardy.

China’s top maker of electric-vehicle batteries plans to spend $1.4 billion (10 billion yuan) building its first factory in the southwest of the country, adding to ambitious plans for the next decade even as the short-term EV outlook gets buffeted by subsidy cuts and demand uncertainties.

The Chinese government has given new waivers to several domestic state and private companies to buy U.S. soybeans without being subject to retaliatory tariffs, according to people familiar with the situation.

California is asking a federal court to prevent President Donald Trump from stripping the state of its power to set limits on auto emissions of greenhouse gases that are stricter than those of the national government.

As GM was nearing the expiration of its labor contract with the union last week, the carmaker sought to have hourly workers pay 15% of their health care costs, according to sources familiar with the talks. But by the time the company presented UAW with a deadline offer, GM walked back the proposal and called for keeping contributions steady at about 4%, said the sources.

First there was derision. Then mockery turned into admiration. Now a battle is unfolding between the most revered names in the automobile world, Porsche and Tesla Inc., on one of the world’s most challenging racetracks.

President Donald Trump has tentatively agreed to a plan for bolstering ethanol and biodiesel, amid pressure from Midwest U.S. senators who warned the president that without action, he risks votes in next year’s election.