i had worked on hybrid Tuk-Tuk project competition hosted by Netherlands based organization in 2007. Our concept won the third prize. So technical briefing is required to explore and analyze different ideas and methods.
I don't know how open these guys will be with their technology. The contestants in the US LLC challenge have done what you want. Masden and Armadillo won the contest.
it was long back in 2007-2008. Better is that you disclose some details or ask some specific queries otherwise beating around the bush will fetch nothing