DeltaHawk will be the first to admit they’ve been plodding along on the diesel engine certification project like…forever. Actually, it’s been 14 years. But they think they’ll have a production engine available this year. Here’s KITPLANES editor Marc Cook with an update.

About Omar Filipovic: KITPLANES Webmaster Omar Filipovic, based in Dallas, is a GlaStar builder—old school, that is, he’s taking his time and doing everything himself.