From Reuters
General Motors plans to offer diesel-engine cars under the Cadillac and Saturn brands in the United States by 2010, industry journal Automotive News reported, citing a source familiar with the plan.
The United States will gradually begin enforcing the world’s strictest regulations for harmful nitrogen oxide (NOx) and particulate matter (PM) emissions starting from 2008 model year cars, and GM General Motors CorpGM has been lukewarm about clean diesel engines as a solution for boosting fuel economy citing the high cost of development.