The story looks good. If you read the Mineral Comdities Summary...

The story looks good. If you read the Mineral Comdities Summary 2009 from the USGS it is pretty "bullish" on platinum:

"The tightening of emissions standards in China, Europe, Japan, and other parts of the world is expected to lead to higher average platinum loadings on catalysts, especially in light-duty diesel vehicles, as particulate matter emissions become more closely controlled"