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Automakers question Calif. zero-emission mandate as feds reassess fuel standards

Automakers are again challenging California's requirement for a percentage of sales to be zero-emission vehicles undermines the goal of a single national standard.

Audi drops plan to sell Ducati motorcycle brand

Audi has dropped plans to sell Ducati in a sign of confidence that it expects to be able to carry the costs of its strategic overhaul following the emissions scandal at parent VW Group.