A top German court ruled on Tuesday in favour of allowing major cities to ban heavily polluting diesel cars, a move likely to hit the value of 12 million vehicles in Europe's largest car market and force carmakers to pay for costly modifications.
There has been a global backlash against diesel-engine cars since Volkswagen admitted in 2015 to cheating U.S. exhaust tests, meant to limit emissions of particulate matter and nitrogen oxide (NOx), known to cause respiratory disease.
While other countries are also considering restrictions on diesel cars, a ban in the birthplace of the modern automobile is a new blow for