Currently you can stream Crude via Fandor, a streaming service that you can access via Prime Video. We've included a link to the Crude page on Prime Video above.
Currently you can only buy or rent Crude to watch online via Vimeo, we've included this above. Vimeo is a great platform to buy/rent documentaries from because a fairer portion of the money from your purchase goes to the filmmakers. So please, check this documentary out!