Reading previous posts - we may have to move this thread to the Boxing Ring
In keeping with the topic discussion of "why did you buy a diesel" you're right.
Here's the link to US site Biodiesel USA. The findings and test results are very much the same in every other country around the globe.
The only creditable documentary to ever come out of the USA by Al Gore. An Inconvenient Truth
I look forward seeing a Biodiesel post if anyones is up for the debate.