Sener receives AiP from DNV GL for LNG bunkering designs 20 September 2018 Sener has received DNV GL Approval in Principle for two new LNG-fuelled bunkering vessel designs.Author: Capt. Johnhttps://www.lngindustry.com/liquid-natural-gas/20092018/sener-receives-aip-from-dnv-gl-for-lng-bunkering-designs/