"The company's are reporting big profits! They will need sports car to celebrate this, and employees will be able to afford their dream coupe now!"
Apparently what he reports affects the gameplay, like when he reports that the skies are clear and suggests that people buy some Cabs, the demand for cabriolets will rise.
In the above situation, Sports Cars and Coupes get temporary big demand.
Praising Your Company
"Have you heard of (Company Name)? The new car company is hot!"
Whenever he mentions your car company, he usually praises it. And when he does, you get more Donuts () and Fans/Reputation Points ().