On Thursday, August 1, 2013 at 11:30:08 AM UTC-7, Tony wrote:
http://www.wired.com/autopia/2013/07/cng-airplane/

could be perfect for a club towplane since we fuel up at the club field 99.9% of the time.

Thanks for the work on this aircraft and the write-up sharing your experiences. I'm curious what's happened in the 5 years since this was posted. Has there been any further learning about the aircraft and has there been any news on certification?

Best regards,
Craig Funston