This one is quite interesting, since I have not seen this being reported anywhere else. (Link via Shadow Warrior)
Tata has signed an agreement with MDI for application in India of MDI's engine technology, and believes the engine is viable – it's press statement described it as "efficient, cost-effective, scalable, and capable of other applications such as power generation".The agreement between Tata Motors and MDI envisages Tata's supporting further development and refinement of the technology, and its application and licensing for India.
Theres also a Youtube video and the companys own site.
The Tata agreement link is here.