By Philip Blenkinsop BRUSSELS (Reuters) – The European Commission proposed on Thursday broadly tighter limits for vehicle emissions of harmful nitrogen oxides and particulates, including new standards for pollution from brakes and tyres. The European Union has progressively tightened limits since “Euro 1” in 1992. The next standard, Euro 7, is designed to apply to cars and vans from July 1, 2025 and to buses and trucks two years later. The Commission proposed lower emission limits for trucks and set levels for cars and vans at the lowest values of the current Euro 6 standard. So for example, n…