Cars and tariff levels on agriculture have emerged as key sticking points between the European Union and the US as the two sides work toward a provisional trade agreement in the coming days, according to people familiar with the matter.

The European Union is still hoping for a rough outline of a deal, even after President Trump talked about sending the bloc a letter outlining tariffs that would be imposed Aug. 1.

Trump has now extended the deadline for negotiations to Aug. 1 and tinkered with his threatened tariffs, leaving the global trading system pretty much where it stood three months ago — in a state of limbo as businesses delay decisions on investments, contracts and hiring because they don’t know what the rules will be.