Under the new agreement tariffs on most EU imports to the United States were reduced to 15 percent and Brussels pledged to purchase $750-billion-worth of U.S. energy products, including oil, gas, nuclear fuel and semiconductors, through to 2028. If Trump goes ahead with Section 301 proceedings it could renew tensions between the U.S. and EU, while continuing an ongoing battle over what influence European regulators should have over American tech companies.