Reuters: Madrid put restrictions on parking for non-residents in the city center for the first time on Friday and enforced reduced traffic speeds for a second day in a move to control air pollution which has cloaked the city with brown smog.
The Spanish capital is relatively late to impose restrictions on traffic compared to other European cities. London introduced a congestion charge over a decade ago and has designated a low emission zone banning heavy diesel vehicles while Paris has pedestrianized some...