I know what you might be thinking, 'its a pipe dream' or 'it's too expensive'. But both of these statements are false. Heres my chat with Chris from Veggie Power, where he shows how his diesel car runs on waste vegetable oil. He also explains more about the other alternative technologies that are available!!
The company sell kits so that others can utilise this more sustainable material, instead of using finite fossil fuels. Here is the chat below.