the building site i used to work on a few years ago was like a garage forecourt with queues of workies filling their motors with no real control over it. at one point i had about 300 litres stored in various containers in my shed that id filled on site as i couldnt use it as quick as i got it.i wouldnt run it in anything decent but at the time i had an old astravan worth about £500.
obviously for any any customs and excise reading this the above paragraph is entirely fictional and totally made up to impress other nerds on the internet