Press the top buttons to go to different zones. To create materials, go to the fire zone (Last button before inventory) and open your inventory. Then click on materials and press space to transform them. Recipes: Vegetable Oil - 1 Corn Sugar - 1 Sugar Cane Ethanol - 1 Sugar, and 1 Corn or Algae Biodiesel - 1 Oil, 1 Ethanol, and 1 Algae
To fill in the silhouettes in the main room, click on a biofuel you've made by opening your inventory. Clicking on the filled silhouettes will give info about them.