Here is the link to information about this very interesting engine:

http://www.apsu-hks.com/HKS_APSU_-_HKS_700T.html

Some information about the new 80 hp turbocharged fuel injected HKS 700 can be found from here: 

Ilmailu.org forum HKS700 80 hp turbo thread (in Finnish)

Tecnam is considering this engine, and it looks very interesting - it is lightweight and runs on diesel. The power output is similar to Rotax 912 and for the turbocharged version (125 hp) even better than any Rotax can do:

http://ppdgemini.com/