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The Latest: German govt hopes diesel ruling won't mean bans

The Latest on plans to impose a ban on diesel vehicles in German cities (all times local): 12:20 p.m. German media are reporting that a court has ruled cities can impose driving bans on diesel cars to combat air pollution.

German court lets cities ban diesel vehicles

A top German court ruled on Tuesday in favor of allowing major cities to ban the most heavily polluting diesel cars, a move set to hit the value of 12 million vehicles in Europe’s largest car market and probably force carmakers to pay for costly modifications.

Correction: Driverless Cars-California story

Driverless cars will be tested on California roads for the first time without a human being behind a steering wheel under new rules for the fast-developing technology.

AP Exclusive: Transport safety rules rolled back under Trump

President Donald Trump is putting the brakes on attempts to address dangerous transportation safety problems from speeding tractor-trailers to sleepy railroad engineers as part of his quest to roll back regulations across the government.

Nissan's new step toward being Uber competitor

Facing a future in which self-driving cars may curb vehicle ownership, Nissan Motor is taking its first steps to becoming an operator of autonomous transportation services,