http://canaryusa.com/crude-oil-refinery-primer/ http://canaryusa.com/crude-oil-refinery-primer/ chart indicates venezuela produces mainly heavy crude oil, whic

http://canaryusa.com/crude-oil-refinery-primer/ http://canaryusa.com/crude-oil-refinery-primer/ chart indicates venezuela produces mainly heavy crude oil, which isn't as good for making gasoline, which i'm guessing is used pretty extensively to make and ship petroleum products from heavy oil.