Here is an interesting hybrid engine that they’ve been involved with .. Within this 2009 Avetec shareholder report (pg 15 ) .. is mention of Avetec working / partnering with Kinetic BEI on their award winning Meyer Nutating Disc engine:
“In my thought I have seen ring’s of smoke through the trees, And the voices of those who stand looking. Ooh, it makes me wonder, Ooh, it really makes me wonder.”