CodeIgniter: Load controller within controller

I have a home controller with an index action that displays a set of featured products. However, the products are managed through a product controller including a proprietary model and views.

How do I access product information from within the index action in the home controller? Instancing product won't work as the class isn't loaded at runtime and CodeIgniter doesn't provide a way to dynamically load controllers. Putting the product class into a library file doesn't really work, either.

To be precise, I need the product views (filled with data processed by the product controller) inserted in the index view. I'm running CodeIgniter 2.0.2.