Autospeed magazine articles

 I found both of these to be fair descriptions of what is going on:

http://www.autospeed.com/cms/A_2269/article.html
"Diesel vs Hybrid - the Battlelines are Drawn"

http://www.autospeed.com/cms/A_109237/article.html
"Diesel or Hybrid or Petrol?"

Both are excellent, fair reviews of the issues.

Bob Wilson