Pandora will roll out in-car advertising solutions this month, giving partners the opportunity to tap into 4 million users that have activated the internet radio service through native automotive integration in the US.

Major brands including BP, Ford, State Farm and Taco Bell are already on board. Pandora is currently integrated across 23 major auto brands and available via eight aftermarket manufacturers.

“Nearly half of all radio listening takes place in the car,” said Pandora chief marketing officer Simon Fleming-Wood. ...