Referring to Shell, the article says this:

The oil titan has quadrupled its budget for renewable-energy projects this year, Bloomberg reported Thursday.

Similiar to what I posted earlier about the influence on oil, I think these guys increasing their influence could be major. Even 2-300 Million a year would be a considerable investment for this sector.

The article:
Greentech Media | Shell Boosts Renewable-Energy Spending

Here is what I wrote Friday about oil companies and Clean Tech or Green Tech:
http://www.cleantechdealflow.com/2008/10/what-you-dont-know-about-energy-can.html